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671 lines
31 KiB
671 lines
31 KiB
"use strict"; |
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var __defProp = Object.defineProperty; |
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var __getOwnPropSymbols = Object.getOwnPropertySymbols; |
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var __hasOwnProp = Object.prototype.hasOwnProperty; |
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var __propIsEnum = Object.prototype.propertyIsEnumerable; |
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var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value; |
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var __spreadValues = (a, b) => { |
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for (var prop in b || (b = {})) |
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if (__hasOwnProp.call(b, prop)) |
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__defNormalProp(a, prop, b[prop]); |
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if (__getOwnPropSymbols) |
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for (var prop of __getOwnPropSymbols(b)) { |
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if (__propIsEnum.call(b, prop)) |
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__defNormalProp(a, prop, b[prop]); |
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} |
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return a; |
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}; |
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const Utils = require("../../utils"); |
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const util = require("util"); |
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const DataTypes = require("../../data-types"); |
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const AbstractQueryGenerator = require("../abstract/query-generator"); |
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const semver = require("semver"); |
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const _ = require("lodash"); |
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const POSTGRES_RESERVED_WORDS = "all,analyse,analyze,and,any,array,as,asc,asymmetric,authorization,binary,both,case,cast,check,collate,collation,column,concurrently,constraint,create,cross,current_catalog,current_date,current_role,current_schema,current_time,current_timestamp,current_user,default,deferrable,desc,distinct,do,else,end,except,false,fetch,for,foreign,freeze,from,full,grant,group,having,ilike,in,initially,inner,intersect,into,is,isnull,join,lateral,leading,left,like,limit,localtime,localtimestamp,natural,not,notnull,null,offset,on,only,or,order,outer,overlaps,placing,primary,references,returning,right,select,session_user,similar,some,symmetric,table,tablesample,then,to,trailing,true,union,unique,user,using,variadic,verbose,when,where,window,with".split(","); |
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class PostgresQueryGenerator extends AbstractQueryGenerator { |
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setSearchPath(searchPath) { |
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return `SET search_path to ${searchPath};`; |
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} |
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createDatabaseQuery(databaseName, options) { |
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options = __spreadValues({ |
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encoding: null, |
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collate: null |
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}, options); |
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const values = { |
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database: this.quoteTable(databaseName), |
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encoding: options.encoding ? ` ENCODING = ${this.escape(options.encoding)}` : "", |
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collation: options.collate ? ` LC_COLLATE = ${this.escape(options.collate)}` : "", |
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ctype: options.ctype ? ` LC_CTYPE = ${this.escape(options.ctype)}` : "", |
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template: options.template ? ` TEMPLATE = ${this.escape(options.template)}` : "" |
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}; |
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return `CREATE DATABASE ${values.database}${values.encoding}${values.collation}${values.ctype}${values.template};`; |
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} |
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dropDatabaseQuery(databaseName) { |
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return `DROP DATABASE IF EXISTS ${this.quoteTable(databaseName)};`; |
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} |
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createSchema(schema) { |
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const databaseVersion = _.get(this, "sequelize.options.databaseVersion", 0); |
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if (databaseVersion && semver.gte(databaseVersion, "9.2.0")) { |
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return `CREATE SCHEMA IF NOT EXISTS ${schema};`; |
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} |
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return `CREATE SCHEMA ${schema};`; |
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} |
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dropSchema(schema) { |
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return `DROP SCHEMA IF EXISTS ${schema} CASCADE;`; |
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} |
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showSchemasQuery() { |
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return "SELECT schema_name FROM information_schema.schemata WHERE schema_name <> 'information_schema' AND schema_name != 'public' AND schema_name !~ E'^pg_';"; |
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} |
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versionQuery() { |
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return "SHOW SERVER_VERSION"; |
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} |
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createTableQuery(tableName, attributes, options) { |
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options = __spreadValues({}, options); |
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const databaseVersion = _.get(this, "sequelize.options.databaseVersion", 0); |
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const attrStr = []; |
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let comments = ""; |
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let columnComments = ""; |
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const quotedTable = this.quoteTable(tableName); |
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if (options.comment && typeof options.comment === "string") { |
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comments += `; COMMENT ON TABLE ${quotedTable} IS ${this.escape(options.comment)}`; |
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} |
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for (const attr in attributes) { |
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const quotedAttr = this.quoteIdentifier(attr); |
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const i = attributes[attr].indexOf("COMMENT "); |
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if (i !== -1) { |
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const escapedCommentText = this.escape(attributes[attr].substring(i + 8)); |
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columnComments += `; COMMENT ON COLUMN ${quotedTable}.${quotedAttr} IS ${escapedCommentText}`; |
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attributes[attr] = attributes[attr].substring(0, i); |
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} |
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const dataType = this.dataTypeMapping(tableName, attr, attributes[attr]); |
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attrStr.push(`${quotedAttr} ${dataType}`); |
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} |
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let attributesClause = attrStr.join(", "); |
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if (options.uniqueKeys) { |
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_.each(options.uniqueKeys, (columns) => { |
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if (columns.customIndex) { |
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attributesClause += `, UNIQUE (${columns.fields.map((field) => this.quoteIdentifier(field)).join(", ")})`; |
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} |
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}); |
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} |
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const pks = _.reduce(attributes, (acc, attribute, key) => { |
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if (attribute.includes("PRIMARY KEY")) { |
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acc.push(this.quoteIdentifier(key)); |
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} |
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return acc; |
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}, []).join(","); |
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if (pks.length > 0) { |
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attributesClause += `, PRIMARY KEY (${pks})`; |
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} |
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return `CREATE TABLE ${databaseVersion === 0 || semver.gte(databaseVersion, "9.1.0") ? "IF NOT EXISTS " : ""}${quotedTable} (${attributesClause})${comments}${columnComments};`; |
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} |
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dropTableQuery(tableName, options) { |
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options = options || {}; |
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return `DROP TABLE IF EXISTS ${this.quoteTable(tableName)}${options.cascade ? " CASCADE" : ""};`; |
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} |
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showTablesQuery() { |
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const schema = this.options.schema || "public"; |
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return `SELECT table_name FROM information_schema.tables WHERE table_schema = ${this.escape(schema)} AND table_type LIKE '%TABLE' AND table_name != 'spatial_ref_sys';`; |
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} |
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tableExistsQuery(tableName) { |
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const table = tableName.tableName || tableName; |
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const schema = tableName.schema || "public"; |
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return `SELECT table_name FROM information_schema.tables WHERE table_schema = ${this.escape(schema)} AND table_name = ${this.escape(table)}`; |
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} |
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describeTableQuery(tableName, schema) { |
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schema = schema || this.options.schema || "public"; |
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return `SELECT pk.constraint_type as "Constraint",c.column_name as "Field", c.column_default as "Default",c.is_nullable as "Null", (CASE WHEN c.udt_name = 'hstore' THEN c.udt_name ELSE c.data_type END) || (CASE WHEN c.character_maximum_length IS NOT NULL THEN '(' || c.character_maximum_length || ')' ELSE '' END) as "Type", (SELECT array_agg(e.enumlabel) FROM pg_catalog.pg_type t JOIN pg_catalog.pg_enum e ON t.oid=e.enumtypid WHERE t.typname=c.udt_name) AS "special", (SELECT pgd.description FROM pg_catalog.pg_statio_all_tables AS st INNER JOIN pg_catalog.pg_description pgd on (pgd.objoid=st.relid) WHERE c.ordinal_position=pgd.objsubid AND c.table_name=st.relname) AS "Comment" FROM information_schema.columns c LEFT JOIN (SELECT tc.table_schema, tc.table_name, cu.column_name, tc.constraint_type FROM information_schema.TABLE_CONSTRAINTS tc JOIN information_schema.KEY_COLUMN_USAGE cu ON tc.table_schema=cu.table_schema and tc.table_name=cu.table_name and tc.constraint_name=cu.constraint_name and tc.constraint_type='PRIMARY KEY') pk ON pk.table_schema=c.table_schema AND pk.table_name=c.table_name AND pk.column_name=c.column_name WHERE c.table_name = ${this.escape(tableName)} AND c.table_schema = ${this.escape(schema)}`; |
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} |
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_checkValidJsonStatement(stmt) { |
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if (typeof stmt !== "string") { |
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return false; |
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} |
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const jsonFunctionRegex = /^\s*((?:[a-z]+_){0,2}jsonb?(?:_[a-z]+){0,2})\([^)]*\)/i; |
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const jsonOperatorRegex = /^\s*(->>?|#>>?|@>|<@|\?[|&]?|\|{2}|#-)/i; |
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const tokenCaptureRegex = /^\s*((?:([`"'])(?:(?!\2).|\2{2})*\2)|[\w\d\s]+|[().,;+-])/i; |
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let currentIndex = 0; |
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let openingBrackets = 0; |
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let closingBrackets = 0; |
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let hasJsonFunction = false; |
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let hasInvalidToken = false; |
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while (currentIndex < stmt.length) { |
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const string = stmt.substr(currentIndex); |
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const functionMatches = jsonFunctionRegex.exec(string); |
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if (functionMatches) { |
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currentIndex += functionMatches[0].indexOf("("); |
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hasJsonFunction = true; |
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continue; |
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} |
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const operatorMatches = jsonOperatorRegex.exec(string); |
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if (operatorMatches) { |
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currentIndex += operatorMatches[0].length; |
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hasJsonFunction = true; |
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continue; |
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} |
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const tokenMatches = tokenCaptureRegex.exec(string); |
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if (tokenMatches) { |
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const capturedToken = tokenMatches[1]; |
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if (capturedToken === "(") { |
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openingBrackets++; |
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} else if (capturedToken === ")") { |
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closingBrackets++; |
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} else if (capturedToken === ";") { |
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hasInvalidToken = true; |
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break; |
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} |
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currentIndex += tokenMatches[0].length; |
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continue; |
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} |
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break; |
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} |
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hasInvalidToken |= openingBrackets !== closingBrackets; |
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if (hasJsonFunction && hasInvalidToken) { |
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throw new Error(`Invalid json statement: ${stmt}`); |
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} |
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return hasJsonFunction; |
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} |
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handleSequelizeMethod(smth, tableName, factory, options, prepend) { |
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if (smth instanceof Utils.Json) { |
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if (smth.conditions) { |
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const conditions = this.parseConditionObject(smth.conditions).map((condition) => `${this.jsonPathExtractionQuery(condition.path[0], _.tail(condition.path))} = '${condition.value}'`); |
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return conditions.join(" AND "); |
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} |
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if (smth.path) { |
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let str; |
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if (this._checkValidJsonStatement(smth.path)) { |
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str = smth.path; |
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} else { |
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const paths = _.toPath(smth.path); |
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const column = paths.shift(); |
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str = this.jsonPathExtractionQuery(column, paths); |
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} |
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if (smth.value) { |
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str += util.format(" = %s", this.escape(smth.value)); |
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} |
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return str; |
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} |
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} |
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return super.handleSequelizeMethod.call(this, smth, tableName, factory, options, prepend); |
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} |
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addColumnQuery(table, key, attribute) { |
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const dbDataType = this.attributeToSQL(attribute, { context: "addColumn", table, key }); |
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const dataType = attribute.type || attribute; |
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const definition = this.dataTypeMapping(table, key, dbDataType); |
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const quotedKey = this.quoteIdentifier(key); |
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const quotedTable = this.quoteTable(this.extractTableDetails(table)); |
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let query = `ALTER TABLE ${quotedTable} ADD COLUMN ${quotedKey} ${definition};`; |
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if (dataType instanceof DataTypes.ENUM) { |
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query = this.pgEnum(table, key, dataType) + query; |
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} else if (dataType.type && dataType.type instanceof DataTypes.ENUM) { |
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query = this.pgEnum(table, key, dataType.type) + query; |
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} |
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return query; |
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} |
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removeColumnQuery(tableName, attributeName) { |
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const quotedTableName = this.quoteTable(this.extractTableDetails(tableName)); |
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const quotedAttributeName = this.quoteIdentifier(attributeName); |
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return `ALTER TABLE ${quotedTableName} DROP COLUMN ${quotedAttributeName};`; |
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} |
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changeColumnQuery(tableName, attributes) { |
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const query = (subQuery) => `ALTER TABLE ${this.quoteTable(tableName)} ALTER COLUMN ${subQuery};`; |
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const sql = []; |
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for (const attributeName in attributes) { |
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let definition = this.dataTypeMapping(tableName, attributeName, attributes[attributeName]); |
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let attrSql = ""; |
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if (definition.includes("NOT NULL")) { |
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attrSql += query(`${this.quoteIdentifier(attributeName)} SET NOT NULL`); |
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definition = definition.replace("NOT NULL", "").trim(); |
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} else if (!definition.includes("REFERENCES")) { |
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attrSql += query(`${this.quoteIdentifier(attributeName)} DROP NOT NULL`); |
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} |
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if (definition.includes("DEFAULT")) { |
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attrSql += query(`${this.quoteIdentifier(attributeName)} SET DEFAULT ${definition.match(/DEFAULT ([^;]+)/)[1]}`); |
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definition = definition.replace(/(DEFAULT[^;]+)/, "").trim(); |
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} else if (!definition.includes("REFERENCES")) { |
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attrSql += query(`${this.quoteIdentifier(attributeName)} DROP DEFAULT`); |
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} |
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if (attributes[attributeName].startsWith("ENUM(")) { |
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attrSql += this.pgEnum(tableName, attributeName, attributes[attributeName]); |
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definition = definition.replace(/^ENUM\(.+\)/, this.pgEnumName(tableName, attributeName, { schema: false })); |
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definition += ` USING (${this.quoteIdentifier(attributeName)}::${this.pgEnumName(tableName, attributeName)})`; |
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} |
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if (definition.match(/UNIQUE;*$/)) { |
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definition = definition.replace(/UNIQUE;*$/, ""); |
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attrSql += query(`ADD UNIQUE (${this.quoteIdentifier(attributeName)})`).replace("ALTER COLUMN", ""); |
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} |
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if (definition.includes("REFERENCES")) { |
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definition = definition.replace(/.+?(?=REFERENCES)/, ""); |
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attrSql += query(`ADD FOREIGN KEY (${this.quoteIdentifier(attributeName)}) ${definition}`).replace("ALTER COLUMN", ""); |
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} else { |
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attrSql += query(`${this.quoteIdentifier(attributeName)} TYPE ${definition}`); |
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} |
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sql.push(attrSql); |
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} |
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return sql.join(""); |
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} |
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renameColumnQuery(tableName, attrBefore, attributes) { |
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const attrString = []; |
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for (const attributeName in attributes) { |
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attrString.push(`${this.quoteIdentifier(attrBefore)} TO ${this.quoteIdentifier(attributeName)}`); |
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} |
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return `ALTER TABLE ${this.quoteTable(tableName)} RENAME COLUMN ${attrString.join(", ")};`; |
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} |
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fn(fnName, tableName, parameters, body, returns, language) { |
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fnName = fnName || "testfunc"; |
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language = language || "plpgsql"; |
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returns = returns ? `RETURNS ${returns}` : ""; |
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parameters = parameters || ""; |
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return `CREATE OR REPLACE FUNCTION pg_temp.${fnName}(${parameters}) ${returns} AS $func$ BEGIN ${body} END; $func$ LANGUAGE ${language}; SELECT * FROM pg_temp.${fnName}();`; |
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} |
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truncateTableQuery(tableName, options = {}) { |
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return [ |
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`TRUNCATE ${this.quoteTable(tableName)}`, |
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options.restartIdentity ? " RESTART IDENTITY" : "", |
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options.cascade ? " CASCADE" : "" |
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].join(""); |
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} |
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deleteQuery(tableName, where, options = {}, model) { |
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const table = this.quoteTable(tableName); |
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let whereClause = this.getWhereConditions(where, null, model, options); |
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const limit = options.limit ? ` LIMIT ${this.escape(options.limit)}` : ""; |
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let primaryKeys = ""; |
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let primaryKeysSelection = ""; |
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if (whereClause) { |
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whereClause = ` WHERE ${whereClause}`; |
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} |
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if (options.limit) { |
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if (!model) { |
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throw new Error("Cannot LIMIT delete without a model."); |
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} |
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const pks = Object.values(model.primaryKeys).map((pk) => this.quoteIdentifier(pk.field)).join(","); |
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primaryKeys = model.primaryKeyAttributes.length > 1 ? `(${pks})` : pks; |
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primaryKeysSelection = pks; |
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return `DELETE FROM ${table} WHERE ${primaryKeys} IN (SELECT ${primaryKeysSelection} FROM ${table}${whereClause}${limit})`; |
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} |
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return `DELETE FROM ${table}${whereClause}`; |
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} |
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showIndexesQuery(tableName) { |
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let schemaJoin = ""; |
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let schemaWhere = ""; |
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if (typeof tableName !== "string") { |
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schemaJoin = ", pg_namespace s"; |
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schemaWhere = ` AND s.oid = t.relnamespace AND s.nspname = '${tableName.schema}'`; |
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tableName = tableName.tableName; |
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} |
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return `SELECT i.relname AS name, ix.indisprimary AS primary, ix.indisunique AS unique, ix.indkey AS indkey, array_agg(a.attnum) as column_indexes, array_agg(a.attname) AS column_names, pg_get_indexdef(ix.indexrelid) AS definition FROM pg_class t, pg_class i, pg_index ix, pg_attribute a${schemaJoin} WHERE t.oid = ix.indrelid AND i.oid = ix.indexrelid AND a.attrelid = t.oid AND t.relkind = 'r' and t.relname = '${tableName}'${schemaWhere} GROUP BY i.relname, ix.indexrelid, ix.indisprimary, ix.indisunique, ix.indkey ORDER BY i.relname;`; |
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} |
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showConstraintsQuery(tableName) { |
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return [ |
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'SELECT constraint_catalog AS "constraintCatalog",', |
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'constraint_schema AS "constraintSchema",', |
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'constraint_name AS "constraintName",', |
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'table_catalog AS "tableCatalog",', |
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'table_schema AS "tableSchema",', |
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'table_name AS "tableName",', |
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'constraint_type AS "constraintType",', |
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'is_deferrable AS "isDeferrable",', |
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'initially_deferred AS "initiallyDeferred"', |
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"from INFORMATION_SCHEMA.table_constraints", |
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`WHERE table_name='${tableName}';` |
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].join(" "); |
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} |
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removeIndexQuery(tableName, indexNameOrAttributes, options) { |
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let indexName = indexNameOrAttributes; |
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if (typeof indexName !== "string") { |
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indexName = Utils.underscore(`${tableName}_${indexNameOrAttributes.join("_")}`); |
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} |
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return [ |
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"DROP INDEX", |
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options && options.concurrently && "CONCURRENTLY", |
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`IF EXISTS ${this.quoteIdentifiers(indexName)}` |
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].filter(Boolean).join(" "); |
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} |
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addLimitAndOffset(options) { |
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let fragment = ""; |
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if (options.limit != null) { |
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fragment += " LIMIT " + this.escape(options.limit); |
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} |
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if (options.offset != null) { |
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fragment += " OFFSET " + this.escape(options.offset); |
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} |
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return fragment; |
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} |
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attributeToSQL(attribute, options) { |
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if (!_.isPlainObject(attribute)) { |
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attribute = { |
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type: attribute |
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}; |
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} |
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let type; |
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if (attribute.type instanceof DataTypes.ENUM || attribute.type instanceof DataTypes.ARRAY && attribute.type.type instanceof DataTypes.ENUM) { |
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const enumType = attribute.type.type || attribute.type; |
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let values = attribute.values; |
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if (enumType.values && !attribute.values) { |
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values = enumType.values; |
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} |
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if (Array.isArray(values) && values.length > 0) { |
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type = `ENUM(${values.map((value) => this.escape(value)).join(", ")})`; |
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if (attribute.type instanceof DataTypes.ARRAY) { |
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type += "[]"; |
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} |
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} else { |
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throw new Error("Values for ENUM haven't been defined."); |
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} |
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} |
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if (!type) { |
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type = attribute.type; |
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} |
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let sql = type.toString(); |
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if (Object.prototype.hasOwnProperty.call(attribute, "allowNull") && !attribute.allowNull) { |
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sql += " NOT NULL"; |
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} |
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if (attribute.autoIncrement) { |
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if (attribute.autoIncrementIdentity) { |
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sql += " GENERATED BY DEFAULT AS IDENTITY"; |
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} else { |
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sql += " SERIAL"; |
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} |
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} |
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if (Utils.defaultValueSchemable(attribute.defaultValue)) { |
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sql += ` DEFAULT ${this.escape(attribute.defaultValue, attribute)}`; |
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} |
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if (attribute.unique === true) { |
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sql += " UNIQUE"; |
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} |
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if (attribute.primaryKey) { |
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sql += " PRIMARY KEY"; |
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} |
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if (attribute.references) { |
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let referencesTable = this.quoteTable(attribute.references.model); |
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let schema; |
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if (options.schema) { |
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schema = options.schema; |
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} else if ((!attribute.references.model || typeof attribute.references.model == "string") && options.table && options.table.schema) { |
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schema = options.table.schema; |
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} |
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if (schema) { |
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referencesTable = this.quoteTable(this.addSchema({ |
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tableName: referencesTable, |
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_schema: schema |
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})); |
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} |
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let referencesKey; |
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if (!options.withoutForeignKeyConstraints) { |
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if (attribute.references.key) { |
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referencesKey = this.quoteIdentifiers(attribute.references.key); |
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} else { |
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referencesKey = this.quoteIdentifier("id"); |
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} |
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sql += ` REFERENCES ${referencesTable} (${referencesKey})`; |
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if (attribute.onDelete) { |
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sql += ` ON DELETE ${attribute.onDelete.toUpperCase()}`; |
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} |
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if (attribute.onUpdate) { |
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sql += ` ON UPDATE ${attribute.onUpdate.toUpperCase()}`; |
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} |
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if (attribute.references.deferrable) { |
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sql += ` ${attribute.references.deferrable.toString(this)}`; |
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} |
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} |
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} |
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if (attribute.comment && typeof attribute.comment === "string") { |
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if (options && ["addColumn", "changeColumn"].includes(options.context)) { |
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const quotedAttr = this.quoteIdentifier(options.key); |
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const escapedCommentText = this.escape(attribute.comment); |
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sql += `; COMMENT ON COLUMN ${this.quoteTable(options.table)}.${quotedAttr} IS ${escapedCommentText}`; |
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} else { |
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sql += ` COMMENT ${attribute.comment}`; |
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} |
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} |
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return sql; |
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} |
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deferConstraintsQuery(options) { |
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return options.deferrable.toString(this); |
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} |
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setConstraintQuery(columns, type) { |
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let columnFragment = "ALL"; |
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if (columns) { |
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columnFragment = columns.map((column) => this.quoteIdentifier(column)).join(", "); |
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} |
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return `SET CONSTRAINTS ${columnFragment} ${type}`; |
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} |
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setDeferredQuery(columns) { |
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return this.setConstraintQuery(columns, "DEFERRED"); |
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} |
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setImmediateQuery(columns) { |
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return this.setConstraintQuery(columns, "IMMEDIATE"); |
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} |
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attributesToSQL(attributes, options) { |
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const result = {}; |
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for (const key in attributes) { |
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const attribute = attributes[key]; |
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result[attribute.field || key] = this.attributeToSQL(attribute, __spreadValues({ key }, options)); |
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} |
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return result; |
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} |
|
createTrigger(tableName, triggerName, eventType, fireOnSpec, functionName, functionParams, optionsArray) { |
|
const decodedEventType = this.decodeTriggerEventType(eventType); |
|
const eventSpec = this.expandTriggerEventSpec(fireOnSpec); |
|
const expandedOptions = this.expandOptions(optionsArray); |
|
const paramList = this._expandFunctionParamList(functionParams); |
|
return `CREATE ${this.triggerEventTypeIsConstraint(eventType)}TRIGGER ${this.quoteIdentifier(triggerName)} ${decodedEventType} ${eventSpec} ON ${this.quoteTable(tableName)}${expandedOptions ? ` ${expandedOptions}` : ""} EXECUTE PROCEDURE ${functionName}(${paramList});`; |
|
} |
|
dropTrigger(tableName, triggerName) { |
|
return `DROP TRIGGER ${this.quoteIdentifier(triggerName)} ON ${this.quoteTable(tableName)} RESTRICT;`; |
|
} |
|
renameTrigger(tableName, oldTriggerName, newTriggerName) { |
|
return `ALTER TRIGGER ${this.quoteIdentifier(oldTriggerName)} ON ${this.quoteTable(tableName)} RENAME TO ${this.quoteIdentifier(newTriggerName)};`; |
|
} |
|
createFunction(functionName, params, returnType, language, body, optionsArray, options) { |
|
if (!functionName || !returnType || !language || !body) |
|
throw new Error("createFunction missing some parameters. Did you pass functionName, returnType, language and body?"); |
|
const paramList = this._expandFunctionParamList(params); |
|
const variableList = options && options.variables ? this._expandFunctionVariableList(options.variables) : ""; |
|
const expandedOptionsArray = this.expandOptions(optionsArray); |
|
const statement = options && options.force ? "CREATE OR REPLACE FUNCTION" : "CREATE FUNCTION"; |
|
return `${statement} ${functionName}(${paramList}) RETURNS ${returnType} AS $func$ ${variableList} BEGIN ${body} END; $func$ language '${language}'${expandedOptionsArray};`; |
|
} |
|
dropFunction(functionName, params) { |
|
if (!functionName) |
|
throw new Error("requires functionName"); |
|
const paramList = this._expandFunctionParamList(params); |
|
return `DROP FUNCTION ${functionName}(${paramList}) RESTRICT;`; |
|
} |
|
renameFunction(oldFunctionName, params, newFunctionName) { |
|
const paramList = this._expandFunctionParamList(params); |
|
return `ALTER FUNCTION ${oldFunctionName}(${paramList}) RENAME TO ${newFunctionName};`; |
|
} |
|
pgEscapeAndQuote(val) { |
|
return this.quoteIdentifier(Utils.removeTicks(this.escape(val), "'")); |
|
} |
|
_expandFunctionParamList(params) { |
|
if (params === void 0 || !Array.isArray(params)) { |
|
throw new Error("_expandFunctionParamList: function parameters array required, including an empty one for no arguments"); |
|
} |
|
const paramList = []; |
|
params.forEach((curParam) => { |
|
const paramDef = []; |
|
if (curParam.type) { |
|
if (curParam.direction) { |
|
paramDef.push(curParam.direction); |
|
} |
|
if (curParam.name) { |
|
paramDef.push(curParam.name); |
|
} |
|
paramDef.push(curParam.type); |
|
} else { |
|
throw new Error("function or trigger used with a parameter without any type"); |
|
} |
|
const joined = paramDef.join(" "); |
|
if (joined) |
|
paramList.push(joined); |
|
}); |
|
return paramList.join(", "); |
|
} |
|
_expandFunctionVariableList(variables) { |
|
if (!Array.isArray(variables)) { |
|
throw new Error("_expandFunctionVariableList: function variables must be an array"); |
|
} |
|
const variableDefinitions = []; |
|
variables.forEach((variable) => { |
|
if (!variable.name || !variable.type) { |
|
throw new Error("function variable must have a name and type"); |
|
} |
|
let variableDefinition = `DECLARE ${variable.name} ${variable.type}`; |
|
if (variable.default) { |
|
variableDefinition += ` := ${variable.default}`; |
|
} |
|
variableDefinition += ";"; |
|
variableDefinitions.push(variableDefinition); |
|
}); |
|
return variableDefinitions.join(" "); |
|
} |
|
expandOptions(options) { |
|
return options === void 0 || _.isEmpty(options) ? "" : options.join(" "); |
|
} |
|
decodeTriggerEventType(eventSpecifier) { |
|
const EVENT_DECODER = { |
|
"after": "AFTER", |
|
"before": "BEFORE", |
|
"instead_of": "INSTEAD OF", |
|
"after_constraint": "AFTER" |
|
}; |
|
if (!EVENT_DECODER[eventSpecifier]) { |
|
throw new Error(`Invalid trigger event specified: ${eventSpecifier}`); |
|
} |
|
return EVENT_DECODER[eventSpecifier]; |
|
} |
|
triggerEventTypeIsConstraint(eventSpecifier) { |
|
return eventSpecifier === "after_constraint" ? "CONSTRAINT " : ""; |
|
} |
|
expandTriggerEventSpec(fireOnSpec) { |
|
if (_.isEmpty(fireOnSpec)) { |
|
throw new Error("no table change events specified to trigger on"); |
|
} |
|
return _.map(fireOnSpec, (fireValue, fireKey) => { |
|
const EVENT_MAP = { |
|
"insert": "INSERT", |
|
"update": "UPDATE", |
|
"delete": "DELETE", |
|
"truncate": "TRUNCATE" |
|
}; |
|
if (!EVENT_MAP[fireValue]) { |
|
throw new Error(`parseTriggerEventSpec: undefined trigger event ${fireKey}`); |
|
} |
|
let eventSpec = EVENT_MAP[fireValue]; |
|
if (eventSpec === "UPDATE") { |
|
if (Array.isArray(fireValue) && fireValue.length > 0) { |
|
eventSpec += ` OF ${fireValue.join(", ")}`; |
|
} |
|
} |
|
return eventSpec; |
|
}).join(" OR "); |
|
} |
|
pgEnumName(tableName, attr, options) { |
|
options = options || {}; |
|
const tableDetails = this.extractTableDetails(tableName, options); |
|
let enumName = Utils.addTicks(Utils.generateEnumName(tableDetails.tableName, attr), '"'); |
|
if (options.schema !== false && tableDetails.schema) { |
|
enumName = this.quoteIdentifier(tableDetails.schema) + tableDetails.delimiter + enumName; |
|
} |
|
return enumName; |
|
} |
|
pgListEnums(tableName, attrName, options) { |
|
let enumName = ""; |
|
const tableDetails = this.extractTableDetails(tableName, options); |
|
if (tableDetails.tableName && attrName) { |
|
enumName = ` AND t.typname=${this.pgEnumName(tableDetails.tableName, attrName, { schema: false }).replace(/"/g, "'")}`; |
|
} |
|
return `SELECT t.typname enum_name, array_agg(e.enumlabel ORDER BY enumsortorder) enum_value FROM pg_type t JOIN pg_enum e ON t.oid = e.enumtypid JOIN pg_catalog.pg_namespace n ON n.oid = t.typnamespace WHERE n.nspname = '${tableDetails.schema}'${enumName} GROUP BY 1`; |
|
} |
|
pgEnum(tableName, attr, dataType, options) { |
|
const enumName = this.pgEnumName(tableName, attr, options); |
|
let values; |
|
if (dataType.values) { |
|
values = `ENUM(${dataType.values.map((value) => this.escape(value)).join(", ")})`; |
|
} else { |
|
values = dataType.toString().match(/^ENUM\(.+\)/)[0]; |
|
} |
|
let sql = `CREATE TYPE ${enumName} AS ${values};`; |
|
if (!!options && options.force === true) { |
|
sql = this.pgEnumDrop(tableName, attr) + sql; |
|
} |
|
return sql; |
|
} |
|
pgEnumAdd(tableName, attr, value, options) { |
|
const enumName = this.pgEnumName(tableName, attr); |
|
let sql = `ALTER TYPE ${enumName} ADD VALUE `; |
|
if (semver.gte(this.sequelize.options.databaseVersion, "9.3.0")) { |
|
sql += "IF NOT EXISTS "; |
|
} |
|
sql += this.escape(value); |
|
if (options.before) { |
|
sql += ` BEFORE ${this.escape(options.before)}`; |
|
} else if (options.after) { |
|
sql += ` AFTER ${this.escape(options.after)}`; |
|
} |
|
return sql; |
|
} |
|
pgEnumDrop(tableName, attr, enumName) { |
|
enumName = enumName || this.pgEnumName(tableName, attr); |
|
return `DROP TYPE IF EXISTS ${enumName}; `; |
|
} |
|
fromArray(text) { |
|
text = text.replace(/^{/, "").replace(/}$/, ""); |
|
let matches = text.match(/("(?:\\.|[^"\\\\])*"|[^,]*)(?:\s*,\s*|\s*$)/ig); |
|
if (matches.length < 1) { |
|
return []; |
|
} |
|
matches = matches.map((m) => m.replace(/",$/, "").replace(/,$/, "").replace(/(^"|"$)/g, "")); |
|
return matches.slice(0, -1); |
|
} |
|
dataTypeMapping(tableName, attr, dataType) { |
|
if (dataType.includes("PRIMARY KEY")) { |
|
dataType = dataType.replace("PRIMARY KEY", ""); |
|
} |
|
if (dataType.includes("SERIAL")) { |
|
if (dataType.includes("BIGINT")) { |
|
dataType = dataType.replace("SERIAL", "BIGSERIAL"); |
|
dataType = dataType.replace("BIGINT", ""); |
|
} else if (dataType.includes("SMALLINT")) { |
|
dataType = dataType.replace("SERIAL", "SMALLSERIAL"); |
|
dataType = dataType.replace("SMALLINT", ""); |
|
} else { |
|
dataType = dataType.replace("INTEGER", ""); |
|
} |
|
dataType = dataType.replace("NOT NULL", ""); |
|
} |
|
if (dataType.startsWith("ENUM(")) { |
|
dataType = dataType.replace(/^ENUM\(.+\)/, this.pgEnumName(tableName, attr)); |
|
} |
|
return dataType; |
|
} |
|
getForeignKeysQuery(tableName) { |
|
return `SELECT conname as constraint_name, pg_catalog.pg_get_constraintdef(r.oid, true) as condef FROM pg_catalog.pg_constraint r WHERE r.conrelid = (SELECT oid FROM pg_class WHERE relname = '${tableName}' LIMIT 1) AND r.contype = 'f' ORDER BY 1;`; |
|
} |
|
_getForeignKeyReferencesQueryPrefix() { |
|
return "SELECT DISTINCT tc.constraint_name as constraint_name, tc.constraint_schema as constraint_schema, tc.constraint_catalog as constraint_catalog, tc.table_name as table_name,tc.table_schema as table_schema,tc.table_catalog as table_catalog,tc.initially_deferred as initially_deferred,tc.is_deferrable as is_deferrable,kcu.column_name as column_name,ccu.table_schema AS referenced_table_schema,ccu.table_catalog AS referenced_table_catalog,ccu.table_name AS referenced_table_name,ccu.column_name AS referenced_column_name FROM information_schema.table_constraints AS tc JOIN information_schema.key_column_usage AS kcu ON tc.constraint_name = kcu.constraint_name JOIN information_schema.constraint_column_usage AS ccu ON ccu.constraint_name = tc.constraint_name "; |
|
} |
|
getForeignKeyReferencesQuery(tableName, catalogName, schemaName) { |
|
return `${this._getForeignKeyReferencesQueryPrefix()}WHERE constraint_type = 'FOREIGN KEY' AND tc.table_name = '${tableName}'${catalogName ? ` AND tc.table_catalog = '${catalogName}'` : ""}${schemaName ? ` AND tc.table_schema = '${schemaName}'` : ""}`; |
|
} |
|
getForeignKeyReferenceQuery(table, columnName) { |
|
const tableName = table.tableName || table; |
|
const schema = table.schema; |
|
return `${this._getForeignKeyReferencesQueryPrefix()}WHERE constraint_type = 'FOREIGN KEY' AND tc.table_name='${tableName}' AND kcu.column_name = '${columnName}'${schema ? ` AND tc.table_schema = '${schema}'` : ""}`; |
|
} |
|
dropForeignKeyQuery(tableName, foreignKey) { |
|
return `ALTER TABLE ${this.quoteTable(tableName)} DROP CONSTRAINT ${this.quoteIdentifier(foreignKey)};`; |
|
} |
|
quoteIdentifier(identifier, force) { |
|
const optForceQuote = force || false; |
|
const optQuoteIdentifiers = this.options.quoteIdentifiers !== false; |
|
const rawIdentifier = Utils.removeTicks(identifier, '"'); |
|
if (optForceQuote === true || optQuoteIdentifiers !== false || identifier.includes(".") || identifier.includes("->") || POSTGRES_RESERVED_WORDS.includes(rawIdentifier.toLowerCase())) { |
|
return Utils.addTicks(rawIdentifier, '"'); |
|
} |
|
return rawIdentifier; |
|
} |
|
} |
|
module.exports = PostgresQueryGenerator; |
|
//# sourceMappingURL=query-generator.js.map
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