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"use strict";
var __defProp = Object.defineProperty;
var __defProps = Object.defineProperties;
var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
for (var prop in b || (b = {}))
if (__hasOwnProp.call(b, prop))
__defNormalProp(a, prop, b[prop]);
if (__getOwnPropSymbols)
for (var prop of __getOwnPropSymbols(b)) {
if (__propIsEnum.call(b, prop))
__defNormalProp(a, prop, b[prop]);
}
return a;
};
var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
const _ = require("lodash");
const Utils = require("../../utils");
const AbstractQueryGenerator = require("../abstract/query-generator");
const util = require("util");
const Op = require("../../operators");
const JSON_FUNCTION_REGEX = /^\s*((?:[a-z]+_){0,2}jsonb?(?:_[a-z]+){0,2})\([^)]*\)/i;
const JSON_OPERATOR_REGEX = /^\s*(->>?|@>|<@|\?[|&]?|\|{2}|#-)/i;
const TOKEN_CAPTURE_REGEX = /^\s*((?:([`"'])(?:(?!\2).|\2{2})*\2)|[\w\d\s]+|[().,;+-])/i;
const FOREIGN_KEY_FIELDS = [
"CONSTRAINT_NAME as constraint_name",
"CONSTRAINT_NAME as constraintName",
"CONSTRAINT_SCHEMA as constraintSchema",
"CONSTRAINT_SCHEMA as constraintCatalog",
"TABLE_NAME as tableName",
"TABLE_SCHEMA as tableSchema",
"TABLE_SCHEMA as tableCatalog",
"COLUMN_NAME as columnName",
"REFERENCED_TABLE_SCHEMA as referencedTableSchema",
"REFERENCED_TABLE_SCHEMA as referencedTableCatalog",
"REFERENCED_TABLE_NAME as referencedTableName",
"REFERENCED_COLUMN_NAME as referencedColumnName"
].join(",");
const SNOWFLAKE_RESERVED_WORDS = "account,all,alter,and,any,as,between,by,case,cast,check,column,connect,connections,constraint,create,cross,current,current_date,current_time,current_timestamp,current_user,database,delete,distinct,drop,else,exists,false,following,for,from,full,grant,group,gscluster,having,ilike,in,increment,inner,insert,intersect,into,is,issue,join,lateral,left,like,localtime,localtimestamp,minus,natural,not,null,of,on,or,order,organization,qualify,regexp,revoke,right,rlike,row,rows,sample,schema,select,set,some,start,table,tablesample,then,to,trigger,true,try_cast,union,unique,update,using,values,view,when,whenever,where,with".split(",");
const typeWithoutDefault = /* @__PURE__ */ new Set(["BLOB", "TEXT", "GEOMETRY", "JSON"]);
class SnowflakeQueryGenerator extends AbstractQueryGenerator {
constructor(options) {
super(options);
this.OperatorMap = __spreadProps(__spreadValues({}, this.OperatorMap), {
[Op.regexp]: "REGEXP",
[Op.notRegexp]: "NOT REGEXP"
});
}
createDatabaseQuery(databaseName, options) {
options = __spreadValues({
charset: null,
collate: null
}, options);
return Utils.joinSQLFragments([
"CREATE DATABASE IF NOT EXISTS",
this.quoteIdentifier(databaseName),
options.charset && `DEFAULT CHARACTER SET ${this.escape(options.charset)}`,
options.collate && `DEFAULT COLLATE ${this.escape(options.collate)}`,
";"
]);
}
dropDatabaseQuery(databaseName) {
return `DROP DATABASE IF EXISTS ${this.quoteIdentifier(databaseName)};`;
}
createSchema() {
return "SHOW TABLES";
}
showSchemasQuery() {
return "SHOW TABLES";
}
versionQuery() {
return "SELECT CURRENT_VERSION()";
}
createTableQuery(tableName, attributes, options) {
options = __spreadValues({
charset: null,
rowFormat: null
}, options);
const primaryKeys = [];
const foreignKeys = {};
const attrStr = [];
for (const attr in attributes) {
if (!Object.prototype.hasOwnProperty.call(attributes, attr))
continue;
const dataType = attributes[attr];
let match;
if (dataType.includes("PRIMARY KEY")) {
primaryKeys.push(attr);
if (dataType.includes("REFERENCES")) {
match = dataType.match(/^(.+) (REFERENCES.*)$/);
attrStr.push(`${this.quoteIdentifier(attr)} ${match[1].replace("PRIMARY KEY", "")}`);
foreignKeys[attr] = match[2];
} else {
attrStr.push(`${this.quoteIdentifier(attr)} ${dataType.replace("PRIMARY KEY", "")}`);
}
} else if (dataType.includes("REFERENCES")) {
match = dataType.match(/^(.+) (REFERENCES.*)$/);
attrStr.push(`${this.quoteIdentifier(attr)} ${match[1]}`);
foreignKeys[attr] = match[2];
} else {
attrStr.push(`${this.quoteIdentifier(attr)} ${dataType}`);
}
}
const table = this.quoteTable(tableName);
let attributesClause = attrStr.join(", ");
const pkString = primaryKeys.map((pk) => this.quoteIdentifier(pk)).join(", ");
if (options.uniqueKeys) {
_.each(options.uniqueKeys, (columns, indexName) => {
if (columns.customIndex) {
if (typeof indexName !== "string") {
indexName = `uniq_${tableName}_${columns.fields.join("_")}`;
}
attributesClause += `, UNIQUE ${this.quoteIdentifier(indexName)} (${columns.fields.map((field) => this.quoteIdentifier(field)).join(", ")})`;
}
});
}
if (pkString.length > 0) {
attributesClause += `, PRIMARY KEY (${pkString})`;
}
for (const fkey in foreignKeys) {
if (Object.prototype.hasOwnProperty.call(foreignKeys, fkey)) {
attributesClause += `, FOREIGN KEY (${this.quoteIdentifier(fkey)}) ${foreignKeys[fkey]}`;
}
}
return Utils.joinSQLFragments([
"CREATE TABLE IF NOT EXISTS",
table,
`(${attributesClause})`,
options.comment && typeof options.comment === "string" && `COMMENT ${this.escape(options.comment)}`,
options.charset && `DEFAULT CHARSET=${options.charset}`,
options.collate && `COLLATE ${options.collate}`,
options.rowFormat && `ROW_FORMAT=${options.rowFormat}`,
";"
]);
}
describeTableQuery(tableName, schema, schemaDelimiter) {
const table = this.quoteTable(this.addSchema({
tableName,
_schema: schema,
_schemaDelimiter: schemaDelimiter
}));
return `SHOW FULL COLUMNS FROM ${table};`;
}
showTablesQuery(database) {
return Utils.joinSQLFragments([
"SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE'",
database ? `AND TABLE_SCHEMA = ${this.escape(database)}` : "AND TABLE_SCHEMA NOT IN ( 'INFORMATION_SCHEMA', 'PERFORMANCE_SCHEMA', 'SYS')",
";"
]);
}
tableExistsQuery(table) {
const tableName = table.tableName || table;
const schema = table.schema;
return Utils.joinSQLFragments([
"SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE'",
`AND TABLE_SCHEMA = ${schema !== void 0 ? this.escape(schema) : "CURRENT_SCHEMA()"}`,
`AND TABLE_NAME = ${this.escape(tableName)}`,
";"
]);
}
addColumnQuery(table, key, dataType) {
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(table),
"ADD",
this.quoteIdentifier(key),
this.attributeToSQL(dataType, {
context: "addColumn",
tableName: table,
foreignKey: key
}),
";"
]);
}
removeColumnQuery(tableName, attributeName) {
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(tableName),
"DROP",
this.quoteIdentifier(attributeName),
";"
]);
}
changeColumnQuery(tableName, attributes) {
const query = (...subQuerys) => Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(tableName),
"ALTER COLUMN",
...subQuerys,
";"
]);
const sql = [];
for (const attributeName in attributes) {
let definition = this.dataTypeMapping(tableName, attributeName, attributes[attributeName]);
const attrSql = [];
if (definition.includes("NOT NULL")) {
attrSql.push(query(this.quoteIdentifier(attributeName), "SET NOT NULL"));
definition = definition.replace("NOT NULL", "").trim();
} else if (!definition.includes("REFERENCES")) {
attrSql.push(query(this.quoteIdentifier(attributeName), "DROP NOT NULL"));
}
if (definition.includes("DEFAULT")) {
attrSql.push(query(this.quoteIdentifier(attributeName), "SET DEFAULT", definition.match(/DEFAULT ([^;]+)/)[1]));
definition = definition.replace(/(DEFAULT[^;]+)/, "").trim();
} else if (!definition.includes("REFERENCES")) {
attrSql.push(query(this.quoteIdentifier(attributeName), "DROP DEFAULT"));
}
if (definition.match(/UNIQUE;*$/)) {
definition = definition.replace(/UNIQUE;*$/, "");
attrSql.push(query("ADD UNIQUE (", this.quoteIdentifier(attributeName), ")").replace("ALTER COLUMN", ""));
}
if (definition.includes("REFERENCES")) {
definition = definition.replace(/.+?(?=REFERENCES)/, "");
attrSql.push(query("ADD FOREIGN KEY (", this.quoteIdentifier(attributeName), ")", definition).replace("ALTER COLUMN", ""));
} else {
attrSql.push(query(this.quoteIdentifier(attributeName), "TYPE", definition));
}
sql.push(attrSql.join(""));
}
return sql.join("");
}
renameColumnQuery(tableName, attrBefore, attributes) {
const attrString = [];
for (const attrName in attributes) {
const definition = attributes[attrName];
attrString.push(`'${attrBefore}' '${attrName}' ${definition}`);
}
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(tableName),
"RENAME COLUMN",
attrString.join(" to "),
";"
]);
}
handleSequelizeMethod(attr, tableName, factory, options, prepend) {
if (attr instanceof Utils.Json) {
if (attr.conditions) {
const conditions = this.parseConditionObject(attr.conditions).map((condition) => `${this.jsonPathExtractionQuery(condition.path[0], _.tail(condition.path))} = '${condition.value}'`);
return conditions.join(" AND ");
}
if (attr.path) {
let str;
if (this._checkValidJsonStatement(attr.path)) {
str = attr.path;
} else {
const paths = _.toPath(attr.path);
const column = paths.shift();
str = this.jsonPathExtractionQuery(column, paths);
}
if (attr.value) {
str += util.format(" = %s", this.escape(attr.value));
}
return str;
}
} else if (attr instanceof Utils.Cast) {
if (/timestamp/i.test(attr.type)) {
attr.type = "datetime";
} else if (attr.json && /boolean/i.test(attr.type)) {
attr.type = "char";
} else if (/double precision/i.test(attr.type) || /boolean/i.test(attr.type) || /integer/i.test(attr.type)) {
attr.type = "decimal";
} else if (/text/i.test(attr.type)) {
attr.type = "char";
}
}
return super.handleSequelizeMethod(attr, tableName, factory, options, prepend);
}
truncateTableQuery(tableName) {
return Utils.joinSQLFragments([
"TRUNCATE",
this.quoteTable(tableName)
]);
}
deleteQuery(tableName, where, options = {}, model) {
const table = this.quoteTable(tableName);
let whereClause = this.getWhereConditions(where, null, model, options);
const limit = options.limit && ` LIMIT ${this.escape(options.limit)}`;
let primaryKeys = "";
let primaryKeysSelection = "";
if (whereClause) {
whereClause = `WHERE ${whereClause}`;
}
if (limit) {
if (!model) {
throw new Error("Cannot LIMIT delete without a model.");
}
const pks = Object.values(model.primaryKeys).map((pk) => this.quoteIdentifier(pk.field)).join(",");
primaryKeys = model.primaryKeyAttributes.length > 1 ? `(${pks})` : pks;
primaryKeysSelection = pks;
return Utils.joinSQLFragments([
"DELETE FROM",
table,
"WHERE",
primaryKeys,
"IN (SELECT",
primaryKeysSelection,
"FROM",
table,
whereClause,
limit,
")",
";"
]);
}
return Utils.joinSQLFragments([
"DELETE FROM",
table,
whereClause,
";"
]);
}
showIndexesQuery() {
return "SELECT '' FROM DUAL";
}
showConstraintsQuery(table, constraintName) {
const tableName = table.tableName || table;
const schemaName = table.schema;
return Utils.joinSQLFragments([
"SELECT CONSTRAINT_CATALOG AS constraintCatalog,",
"CONSTRAINT_NAME AS constraintName,",
"CONSTRAINT_SCHEMA AS constraintSchema,",
"CONSTRAINT_TYPE AS constraintType,",
"TABLE_NAME AS tableName,",
"TABLE_SCHEMA AS tableSchema",
"from INFORMATION_SCHEMA.TABLE_CONSTRAINTS",
`WHERE table_name='${tableName}'`,
constraintName && `AND constraint_name = '${constraintName}'`,
schemaName && `AND TABLE_SCHEMA = '${schemaName}'`,
";"
]);
}
removeIndexQuery(tableName, indexNameOrAttributes) {
let indexName = indexNameOrAttributes;
if (typeof indexName !== "string") {
indexName = Utils.underscore(`${tableName}_${indexNameOrAttributes.join("_")}`);
}
return Utils.joinSQLFragments([
"DROP INDEX",
this.quoteIdentifier(indexName),
"ON",
this.quoteTable(tableName),
";"
]);
}
attributeToSQL(attribute, options) {
if (!_.isPlainObject(attribute)) {
attribute = {
type: attribute
};
}
const attributeString = attribute.type.toString({ escape: this.escape.bind(this) });
let template = attributeString;
if (attribute.allowNull === false) {
template += " NOT NULL";
}
if (attribute.autoIncrement) {
template += " AUTOINCREMENT";
}
if (!typeWithoutDefault.has(attributeString) && attribute.type._binary !== true && Utils.defaultValueSchemable(attribute.defaultValue)) {
template += ` DEFAULT ${this.escape(attribute.defaultValue)}`;
}
if (attribute.unique === true) {
template += " UNIQUE";
}
if (attribute.primaryKey) {
template += " PRIMARY KEY";
}
if (attribute.comment) {
template += ` COMMENT ${this.escape(attribute.comment)}`;
}
if (attribute.first) {
template += " FIRST";
}
if (attribute.after) {
template += ` AFTER ${this.quoteIdentifier(attribute.after)}`;
}
if (attribute.references) {
if (options && options.context === "addColumn" && options.foreignKey) {
const attrName = this.quoteIdentifier(options.foreignKey);
const fkName = this.quoteIdentifier(`${options.tableName}_${attrName}_foreign_idx`);
template += `, ADD CONSTRAINT ${fkName} FOREIGN KEY (${attrName})`;
}
template += ` REFERENCES ${this.quoteTable(attribute.references.model)}`;
if (attribute.references.key) {
template += ` (${this.quoteIdentifier(attribute.references.key)})`;
} else {
template += ` (${this.quoteIdentifier("id")})`;
}
if (attribute.onDelete) {
template += ` ON DELETE ${attribute.onDelete.toUpperCase()}`;
}
if (attribute.onUpdate) {
template += ` ON UPDATE ${attribute.onUpdate.toUpperCase()}`;
}
}
return template;
}
attributesToSQL(attributes, options) {
const result = {};
for (const key in attributes) {
const attribute = attributes[key];
result[attribute.field || key] = this.attributeToSQL(attribute, options);
}
return result;
}
_checkValidJsonStatement(stmt) {
if (typeof stmt !== "string") {
return false;
}
let currentIndex = 0;
let openingBrackets = 0;
let closingBrackets = 0;
let hasJsonFunction = false;
let hasInvalidToken = false;
while (currentIndex < stmt.length) {
const string = stmt.substr(currentIndex);
const functionMatches = JSON_FUNCTION_REGEX.exec(string);
if (functionMatches) {
currentIndex += functionMatches[0].indexOf("(");
hasJsonFunction = true;
continue;
}
const operatorMatches = JSON_OPERATOR_REGEX.exec(string);
if (operatorMatches) {
currentIndex += operatorMatches[0].length;
hasJsonFunction = true;
continue;
}
const tokenMatches = TOKEN_CAPTURE_REGEX.exec(string);
if (tokenMatches) {
const capturedToken = tokenMatches[1];
if (capturedToken === "(") {
openingBrackets++;
} else if (capturedToken === ")") {
closingBrackets++;
} else if (capturedToken === ";") {
hasInvalidToken = true;
break;
}
currentIndex += tokenMatches[0].length;
continue;
}
break;
}
if (hasJsonFunction && (hasInvalidToken || openingBrackets !== closingBrackets)) {
throw new Error(`Invalid json statement: ${stmt}`);
}
return hasJsonFunction;
}
dataTypeMapping(tableName, attr, dataType) {
if (dataType.includes("PRIMARY KEY")) {
dataType = dataType.replace("PRIMARY KEY", "");
}
if (dataType.includes("SERIAL")) {
if (dataType.includes("BIGINT")) {
dataType = dataType.replace("SERIAL", "BIGSERIAL");
dataType = dataType.replace("BIGINT", "");
} else if (dataType.includes("SMALLINT")) {
dataType = dataType.replace("SERIAL", "SMALLSERIAL");
dataType = dataType.replace("SMALLINT", "");
} else {
dataType = dataType.replace("INTEGER", "");
}
dataType = dataType.replace("NOT NULL", "");
}
return dataType;
}
getForeignKeysQuery(table, schemaName) {
const tableName = table.tableName || table;
return Utils.joinSQLFragments([
"SELECT",
FOREIGN_KEY_FIELDS,
`FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE where TABLE_NAME = '${tableName}'`,
`AND CONSTRAINT_NAME!='PRIMARY' AND CONSTRAINT_SCHEMA='${schemaName}'`,
"AND REFERENCED_TABLE_NAME IS NOT NULL",
";"
]);
}
getForeignKeyQuery(table, columnName) {
const quotedSchemaName = table.schema ? wrapSingleQuote(table.schema) : "";
const quotedTableName = wrapSingleQuote(table.tableName || table);
const quotedColumnName = wrapSingleQuote(columnName);
return Utils.joinSQLFragments([
"SELECT",
FOREIGN_KEY_FIELDS,
"FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE",
"WHERE (",
[
`REFERENCED_TABLE_NAME = ${quotedTableName}`,
table.schema && `AND REFERENCED_TABLE_SCHEMA = ${quotedSchemaName}`,
`AND REFERENCED_COLUMN_NAME = ${quotedColumnName}`
],
") OR (",
[
`TABLE_NAME = ${quotedTableName}`,
table.schema && `AND TABLE_SCHEMA = ${quotedSchemaName}`,
`AND COLUMN_NAME = ${quotedColumnName}`,
"AND REFERENCED_TABLE_NAME IS NOT NULL"
],
")"
]);
}
dropForeignKeyQuery(tableName, foreignKey) {
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(tableName),
"DROP FOREIGN KEY",
this.quoteIdentifier(foreignKey),
";"
]);
}
addLimitAndOffset(options) {
let fragment = [];
if (options.offset !== null && options.offset !== void 0 && options.offset !== 0) {
fragment = fragment.concat([" LIMIT ", this.escape(options.limit), " OFFSET ", this.escape(options.offset)]);
} else if (options.limit !== null && options.limit !== void 0) {
fragment = [" LIMIT ", this.escape(options.limit)];
}
return fragment.join("");
}
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("->") || SNOWFLAKE_RESERVED_WORDS.includes(rawIdentifier.toLowerCase())) {
return Utils.addTicks(rawIdentifier, '"');
}
return rawIdentifier;
}
}
function wrapSingleQuote(identifier) {
return Utils.addTicks(identifier, "'");
}
module.exports = SnowflakeQueryGenerator;
//# sourceMappingURL=query-generator.js.map