Sindbad~EG File Manager
"use strict";
var __defProp = Object.defineProperty;
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;
};
const _ = require("lodash");
const Utils = require("../../utils");
const DataTypes = require("../../data-types");
const TableHints = require("../../table-hints");
const AbstractQueryGenerator = require("../abstract/query-generator");
const randomBytes = require("crypto").randomBytes;
const semver = require("semver");
const Op = require("../../operators");
const throwMethodUndefined = function(methodName) {
throw new Error(`The method "${methodName}" is not defined! Please add it to your sql dialect.`);
};
class MSSQLQueryGenerator extends AbstractQueryGenerator {
createDatabaseQuery(databaseName, options) {
options = __spreadValues({ collate: null }, options);
const collation = options.collate ? `COLLATE ${this.escape(options.collate)}` : "";
return [
"IF NOT EXISTS (SELECT * FROM sys.databases WHERE name =",
wrapSingleQuote(databaseName),
")",
"BEGIN",
"CREATE DATABASE",
this.quoteIdentifier(databaseName),
`${collation};`,
"END;"
].join(" ");
}
dropDatabaseQuery(databaseName) {
return [
"IF EXISTS (SELECT * FROM sys.databases WHERE name =",
wrapSingleQuote(databaseName),
")",
"BEGIN",
"DROP DATABASE",
this.quoteIdentifier(databaseName),
";",
"END;"
].join(" ");
}
createSchema(schema) {
return [
"IF NOT EXISTS (SELECT schema_name",
"FROM information_schema.schemata",
"WHERE schema_name =",
wrapSingleQuote(schema),
")",
"BEGIN",
"EXEC sp_executesql N'CREATE SCHEMA",
this.quoteIdentifier(schema),
";'",
"END;"
].join(" ");
}
dropSchema(schema) {
const quotedSchema = wrapSingleQuote(schema);
return [
"IF EXISTS (SELECT schema_name",
"FROM information_schema.schemata",
"WHERE schema_name =",
quotedSchema,
")",
"BEGIN",
"DECLARE @id INT, @ms_sql NVARCHAR(2000);",
"DECLARE @cascade TABLE (",
"id INT NOT NULL IDENTITY PRIMARY KEY,",
"ms_sql NVARCHAR(2000) NOT NULL );",
"INSERT INTO @cascade ( ms_sql )",
"SELECT CASE WHEN o.type IN ('F','PK')",
"THEN N'ALTER TABLE ['+ s.name + N'].[' + p.name + N'] DROP CONSTRAINT [' + o.name + N']'",
"ELSE N'DROP TABLE ['+ s.name + N'].[' + o.name + N']' END",
"FROM sys.objects o",
"JOIN sys.schemas s on o.schema_id = s.schema_id",
"LEFT OUTER JOIN sys.objects p on o.parent_object_id = p.object_id",
"WHERE o.type IN ('F', 'PK', 'U') AND s.name = ",
quotedSchema,
"ORDER BY o.type ASC;",
"SELECT TOP 1 @id = id, @ms_sql = ms_sql FROM @cascade ORDER BY id;",
"WHILE @id IS NOT NULL",
"BEGIN",
"BEGIN TRY EXEC sp_executesql @ms_sql; END TRY",
"BEGIN CATCH BREAK; THROW; END CATCH;",
"DELETE FROM @cascade WHERE id = @id;",
"SELECT @id = NULL, @ms_sql = NULL;",
"SELECT TOP 1 @id = id, @ms_sql = ms_sql FROM @cascade ORDER BY id;",
"END",
"EXEC sp_executesql N'DROP SCHEMA",
this.quoteIdentifier(schema),
";'",
"END;"
].join(" ");
}
showSchemasQuery() {
return [
'SELECT "name" as "schema_name" FROM sys.schemas as s',
'WHERE "s"."name" NOT IN (',
"'INFORMATION_SCHEMA', 'dbo', 'guest', 'sys', 'archive'",
")",
"AND",
'"s"."name" NOT LIKE',
"'db_%'"
].join(" ");
}
versionQuery() {
return [
"DECLARE @ms_ver NVARCHAR(20);",
"SET @ms_ver = REVERSE(CONVERT(NVARCHAR(20), SERVERPROPERTY('ProductVersion')));",
"SELECT REVERSE(SUBSTRING(@ms_ver, CHARINDEX('.', @ms_ver)+1, 20)) AS 'version'"
].join(" ");
}
createTableQuery(tableName, attributes, options) {
const primaryKeys = [], foreignKeys = {}, attributesClauseParts = [];
let commentStr = "";
for (const attr in attributes) {
if (Object.prototype.hasOwnProperty.call(attributes, attr)) {
let dataType = attributes[attr];
let match;
if (dataType.includes("COMMENT ")) {
const commentMatch = dataType.match(/^(.+) (COMMENT.*)$/);
const commentText = commentMatch[2].replace("COMMENT", "").trim();
commentStr += this.commentTemplate(commentText, tableName, attr);
dataType = commentMatch[1];
}
if (dataType.includes("PRIMARY KEY")) {
primaryKeys.push(attr);
if (dataType.includes("REFERENCES")) {
match = dataType.match(/^(.+) (REFERENCES.*)$/);
attributesClauseParts.push(`${this.quoteIdentifier(attr)} ${match[1].replace("PRIMARY KEY", "")}`);
foreignKeys[attr] = match[2];
} else {
attributesClauseParts.push(`${this.quoteIdentifier(attr)} ${dataType.replace("PRIMARY KEY", "")}`);
}
} else if (dataType.includes("REFERENCES")) {
match = dataType.match(/^(.+) (REFERENCES.*)$/);
attributesClauseParts.push(`${this.quoteIdentifier(attr)} ${match[1]}`);
foreignKeys[attr] = match[2];
} else {
attributesClauseParts.push(`${this.quoteIdentifier(attr)} ${dataType}`);
}
}
}
const pkString = primaryKeys.map((pk) => this.quoteIdentifier(pk)).join(", ");
if (options.uniqueKeys) {
_.each(options.uniqueKeys, (columns, indexName) => {
if (columns.customIndex) {
if (typeof indexName !== "string") {
indexName = `uniq_${tableName}_${columns.fields.join("_")}`;
}
attributesClauseParts.push(`CONSTRAINT ${this.quoteIdentifier(indexName)} UNIQUE (${columns.fields.map((field) => this.quoteIdentifier(field)).join(", ")})`);
}
});
}
if (pkString.length > 0) {
attributesClauseParts.push(`PRIMARY KEY (${pkString})`);
}
for (const fkey in foreignKeys) {
if (Object.prototype.hasOwnProperty.call(foreignKeys, fkey)) {
attributesClauseParts.push(`FOREIGN KEY (${this.quoteIdentifier(fkey)}) ${foreignKeys[fkey]}`);
}
}
const quotedTableName = this.quoteTable(tableName);
return Utils.joinSQLFragments([
`IF OBJECT_ID('${quotedTableName}', 'U') IS NULL`,
`CREATE TABLE ${quotedTableName} (${attributesClauseParts.join(", ")})`,
";",
commentStr
]);
}
describeTableQuery(tableName, schema) {
let sql = [
"SELECT",
"c.COLUMN_NAME AS 'Name',",
"c.DATA_TYPE AS 'Type',",
"c.CHARACTER_MAXIMUM_LENGTH AS 'Length',",
"c.IS_NULLABLE as 'IsNull',",
"COLUMN_DEFAULT AS 'Default',",
"pk.CONSTRAINT_TYPE AS 'Constraint',",
"COLUMNPROPERTY(OBJECT_ID('[' + c.TABLE_SCHEMA + '].[' + c.TABLE_NAME + ']'), c.COLUMN_NAME, 'IsIdentity') as 'IsIdentity',",
"CAST(prop.value AS NVARCHAR) AS 'Comment'",
"FROM",
"INFORMATION_SCHEMA.TABLES t",
"INNER JOIN",
"INFORMATION_SCHEMA.COLUMNS c ON t.TABLE_NAME = c.TABLE_NAME AND t.TABLE_SCHEMA = c.TABLE_SCHEMA",
"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 ",
"INNER JOIN sys.columns AS sc",
"ON sc.object_id = OBJECT_ID('[' + t.TABLE_SCHEMA + '].[' + t.TABLE_NAME + ']') AND sc.name = c.column_name",
"LEFT JOIN sys.extended_properties prop ON prop.major_id = sc.object_id",
"AND prop.minor_id = sc.column_id",
"AND prop.name = 'MS_Description'",
"WHERE t.TABLE_NAME =",
wrapSingleQuote(tableName)
].join(" ");
if (schema) {
sql += `AND t.TABLE_SCHEMA =${wrapSingleQuote(schema)}`;
}
return sql;
}
renameTableQuery(before, after) {
return `EXEC sp_rename ${this.quoteTable(before)}, ${this.quoteTable(after)};`;
}
showTablesQuery() {
return "SELECT TABLE_NAME, TABLE_SCHEMA FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE';";
}
tableExistsQuery(table) {
const tableName = table.tableName || table;
const schemaName = table.schema || "dbo";
return `SELECT TABLE_NAME, TABLE_SCHEMA FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_NAME = ${this.escape(tableName)} AND TABLE_SCHEMA = ${this.escape(schemaName)}`;
}
dropTableQuery(tableName) {
const quoteTbl = this.quoteTable(tableName);
return Utils.joinSQLFragments([
`IF OBJECT_ID('${quoteTbl}', 'U') IS NOT NULL`,
"DROP TABLE",
quoteTbl,
";"
]);
}
addColumnQuery(table, key, dataType) {
dataType.field = key;
let commentStr = "";
if (dataType.comment && _.isString(dataType.comment)) {
commentStr = this.commentTemplate(dataType.comment, table, key);
delete dataType["comment"];
}
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(table),
"ADD",
this.quoteIdentifier(key),
this.attributeToSQL(dataType, { context: "addColumn" }),
";",
commentStr
]);
}
commentTemplate(comment, table, column) {
return ` EXEC sp_addextendedproperty @name = N'MS_Description', @value = ${this.escape(comment)}, @level0type = N'Schema', @level0name = 'dbo', @level1type = N'Table', @level1name = ${this.quoteIdentifier(table)}, @level2type = N'Column', @level2name = ${this.quoteIdentifier(column)};`;
}
removeColumnQuery(tableName, attributeName) {
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(tableName),
"DROP COLUMN",
this.quoteIdentifier(attributeName),
";"
]);
}
changeColumnQuery(tableName, attributes) {
const attrString = [], constraintString = [];
let commentString = "";
for (const attributeName in attributes) {
const quotedAttrName = this.quoteIdentifier(attributeName);
let definition = attributes[attributeName];
if (definition.includes("COMMENT ")) {
const commentMatch = definition.match(/^(.+) (COMMENT.*)$/);
const commentText = commentMatch[2].replace("COMMENT", "").trim();
commentString += this.commentTemplate(commentText, tableName, attributeName);
definition = commentMatch[1];
}
if (definition.includes("REFERENCES")) {
constraintString.push(`FOREIGN KEY (${quotedAttrName}) ${definition.replace(/.+?(?=REFERENCES)/, "")}`);
} else {
attrString.push(`${quotedAttrName} ${definition}`);
}
}
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(tableName),
attrString.length && `ALTER COLUMN ${attrString.join(", ")}`,
constraintString.length && `ADD ${constraintString.join(", ")}`,
";",
commentString
]);
}
renameColumnQuery(tableName, attrBefore, attributes) {
const newName = Object.keys(attributes)[0];
return Utils.joinSQLFragments([
"EXEC sp_rename",
`'${this.quoteTable(tableName)}.${attrBefore}',`,
`'${newName}',`,
"'COLUMN'",
";"
]);
}
bulkInsertQuery(tableName, attrValueHashes, options, attributes) {
const quotedTable = this.quoteTable(tableName);
options = options || {};
attributes = attributes || {};
const tuples = [];
const allAttributes = [];
const allQueries = [];
let needIdentityInsertWrapper = false, outputFragment = "";
if (options.returning) {
const returnValues = this.generateReturnValues(attributes, options);
outputFragment = returnValues.outputFragment;
}
const emptyQuery = `INSERT INTO ${quotedTable}${outputFragment} DEFAULT VALUES`;
attrValueHashes.forEach((attrValueHash) => {
const fields = Object.keys(attrValueHash);
const firstAttr = attributes[fields[0]];
if (fields.length === 1 && firstAttr && firstAttr.autoIncrement && attrValueHash[fields[0]] === null) {
allQueries.push(emptyQuery);
return;
}
_.forOwn(attrValueHash, (value, key) => {
if (value !== null && attributes[key] && attributes[key].autoIncrement) {
needIdentityInsertWrapper = true;
}
if (!allAttributes.includes(key)) {
if (value === null && attributes[key] && attributes[key].autoIncrement)
return;
allAttributes.push(key);
}
});
});
if (allAttributes.length > 0) {
attrValueHashes.forEach((attrValueHash) => {
tuples.push(`(${allAttributes.map((key) => this.escape(attrValueHash[key])).join(",")})`);
});
const quotedAttributes = allAttributes.map((attr) => this.quoteIdentifier(attr)).join(",");
allQueries.push((tupleStr) => `INSERT INTO ${quotedTable} (${quotedAttributes})${outputFragment} VALUES ${tupleStr};`);
}
const commands = [];
let offset = 0;
const batch = Math.floor(250 / (allAttributes.length + 1)) + 1;
while (offset < Math.max(tuples.length, 1)) {
const tupleStr = tuples.slice(offset, Math.min(tuples.length, offset + batch));
let generatedQuery = allQueries.map((v) => typeof v === "string" ? v : v(tupleStr)).join(";");
if (needIdentityInsertWrapper) {
generatedQuery = `SET IDENTITY_INSERT ${quotedTable} ON; ${generatedQuery}; SET IDENTITY_INSERT ${quotedTable} OFF;`;
}
commands.push(generatedQuery);
offset += batch;
}
return commands.join(";");
}
updateQuery(tableName, attrValueHash, where, options, attributes) {
const sql = super.updateQuery(tableName, attrValueHash, where, options, attributes);
if (options.limit) {
const updateArgs = `UPDATE TOP(${this.escape(options.limit)})`;
sql.query = sql.query.replace("UPDATE", updateArgs);
}
return sql;
}
upsertQuery(tableName, insertValues, updateValues, where, model) {
const targetTableAlias = this.quoteTable(`${tableName}_target`);
const sourceTableAlias = this.quoteTable(`${tableName}_source`);
const primaryKeysAttrs = [];
const identityAttrs = [];
const uniqueAttrs = [];
const tableNameQuoted = this.quoteTable(tableName);
let needIdentityInsertWrapper = false;
for (const key in model.rawAttributes) {
if (model.rawAttributes[key].primaryKey) {
primaryKeysAttrs.push(model.rawAttributes[key].field || key);
}
if (model.rawAttributes[key].unique) {
uniqueAttrs.push(model.rawAttributes[key].field || key);
}
if (model.rawAttributes[key].autoIncrement) {
identityAttrs.push(model.rawAttributes[key].field || key);
}
}
for (const index of model._indexes) {
if (index.unique && index.fields) {
for (const field of index.fields) {
const fieldName = typeof field === "string" ? field : field.name || field.attribute;
if (!uniqueAttrs.includes(fieldName) && model.rawAttributes[fieldName]) {
uniqueAttrs.push(fieldName);
}
}
}
}
const updateKeys = Object.keys(updateValues);
const insertKeys = Object.keys(insertValues);
const insertKeysQuoted = insertKeys.map((key) => this.quoteIdentifier(key)).join(", ");
const insertValuesEscaped = insertKeys.map((key) => this.escape(insertValues[key])).join(", ");
const sourceTableQuery = `VALUES(${insertValuesEscaped})`;
let joinCondition;
identityAttrs.forEach((key) => {
if (insertValues[key] && insertValues[key] !== null) {
needIdentityInsertWrapper = true;
}
});
const clauses = where[Op.or].filter((clause) => {
let valid = true;
for (const key in clause) {
if (typeof clause[key] === "undefined" || clause[key] == null) {
valid = false;
break;
}
}
return valid;
});
const getJoinSnippet = (array) => {
return array.map((key) => {
key = this.quoteIdentifier(key);
return `${targetTableAlias}.${key} = ${sourceTableAlias}.${key}`;
});
};
if (clauses.length === 0) {
throw new Error("Primary Key or Unique key should be passed to upsert query");
} else {
for (const key in clauses) {
const keys = Object.keys(clauses[key]);
if (primaryKeysAttrs.includes(keys[0])) {
joinCondition = getJoinSnippet(primaryKeysAttrs).join(" AND ");
break;
}
}
if (!joinCondition) {
joinCondition = getJoinSnippet(uniqueAttrs).join(" AND ");
}
}
const filteredUpdateClauses = updateKeys.filter((key) => !identityAttrs.includes(key)).map((key) => {
const value = this.escape(updateValues[key]);
key = this.quoteIdentifier(key);
return `${targetTableAlias}.${key} = ${value}`;
});
const updateSnippet = filteredUpdateClauses.length > 0 ? `WHEN MATCHED THEN UPDATE SET ${filteredUpdateClauses.join(", ")}` : "";
const insertSnippet = `(${insertKeysQuoted}) VALUES(${insertValuesEscaped})`;
let query = `MERGE INTO ${tableNameQuoted} WITH(HOLDLOCK) AS ${targetTableAlias} USING (${sourceTableQuery}) AS ${sourceTableAlias}(${insertKeysQuoted}) ON ${joinCondition}`;
query += ` ${updateSnippet} WHEN NOT MATCHED THEN INSERT ${insertSnippet} OUTPUT $action, INSERTED.*;`;
if (needIdentityInsertWrapper) {
query = `SET IDENTITY_INSERT ${tableNameQuoted} ON; ${query} SET IDENTITY_INSERT ${tableNameQuoted} OFF;`;
}
return query;
}
truncateTableQuery(tableName) {
return `TRUNCATE TABLE ${this.quoteTable(tableName)}`;
}
deleteQuery(tableName, where, options = {}, model) {
const table = this.quoteTable(tableName);
const whereClause = this.getWhereConditions(where, null, model, options);
return Utils.joinSQLFragments([
"DELETE",
options.limit && `TOP(${this.escape(options.limit)})`,
"FROM",
table,
whereClause && `WHERE ${whereClause}`,
";",
"SELECT @@ROWCOUNT AS AFFECTEDROWS",
";"
]);
}
showIndexesQuery(tableName) {
return `EXEC sys.sp_helpindex @objname = N'${this.quoteTable(tableName)}';`;
}
showConstraintsQuery(tableName) {
return `EXEC sp_helpconstraint @objname = ${this.escape(this.quoteTable(tableName))};`;
}
removeIndexQuery(tableName, indexNameOrAttributes) {
let indexName = indexNameOrAttributes;
if (typeof indexName !== "string") {
indexName = Utils.underscore(`${tableName}_${indexNameOrAttributes.join("_")}`);
}
return `DROP INDEX ${this.quoteIdentifiers(indexName)} ON ${this.quoteIdentifiers(tableName)}`;
}
attributeToSQL(attribute, options) {
if (!_.isPlainObject(attribute)) {
attribute = {
type: attribute
};
}
if (attribute.references) {
if (attribute.Model && attribute.Model.tableName === attribute.references.model) {
this.sequelize.log("MSSQL does not support self referencial constraints, we will remove it but we recommend restructuring your query");
attribute.onDelete = "";
attribute.onUpdate = "";
}
}
let template;
if (attribute.type instanceof DataTypes.ENUM) {
if (attribute.type.values && !attribute.values)
attribute.values = attribute.type.values;
template = attribute.type.toSql();
template += ` CHECK (${this.quoteIdentifier(attribute.field)} IN(${attribute.values.map((value) => {
return this.escape(value);
}).join(", ")}))`;
return template;
}
template = attribute.type.toString();
if (attribute.allowNull === false) {
template += " NOT NULL";
} else if (!attribute.primaryKey && !Utils.defaultValueSchemable(attribute.defaultValue)) {
template += " NULL";
}
if (attribute.autoIncrement) {
template += " IDENTITY(1,1)";
}
if (attribute.type !== "TEXT" && 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 ((!options || !options.withoutForeignKeyConstraints) && attribute.references) {
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()}`;
}
}
if (attribute.comment && typeof attribute.comment === "string") {
template += ` COMMENT ${attribute.comment}`;
}
return template;
}
attributesToSQL(attributes, options) {
const result = {}, existingConstraints = [];
let key, attribute;
for (key in attributes) {
attribute = attributes[key];
if (attribute.references) {
if (existingConstraints.includes(attribute.references.model.toString())) {
attribute.onDelete = "";
attribute.onUpdate = "";
} else {
existingConstraints.push(attribute.references.model.toString());
attribute.onUpdate = "";
}
}
if (key && !attribute.field)
attribute.field = key;
result[attribute.field || key] = this.attributeToSQL(attribute, options);
}
return result;
}
createTrigger() {
throwMethodUndefined("createTrigger");
}
dropTrigger() {
throwMethodUndefined("dropTrigger");
}
renameTrigger() {
throwMethodUndefined("renameTrigger");
}
createFunction() {
throwMethodUndefined("createFunction");
}
dropFunction() {
throwMethodUndefined("dropFunction");
}
renameFunction() {
throwMethodUndefined("renameFunction");
}
_getForeignKeysQueryPrefix(catalogName) {
return `${"SELECT constraint_name = OBJ.NAME, constraintName = OBJ.NAME, "}${catalogName ? `constraintCatalog = '${catalogName}', ` : ""}constraintSchema = SCHEMA_NAME(OBJ.SCHEMA_ID), tableName = TB.NAME, tableSchema = SCHEMA_NAME(TB.SCHEMA_ID), ${catalogName ? `tableCatalog = '${catalogName}', ` : ""}columnName = COL.NAME, referencedTableSchema = SCHEMA_NAME(RTB.SCHEMA_ID), ${catalogName ? `referencedCatalog = '${catalogName}', ` : ""}referencedTableName = RTB.NAME, referencedColumnName = RCOL.NAME FROM sys.foreign_key_columns FKC INNER JOIN sys.objects OBJ ON OBJ.OBJECT_ID = FKC.CONSTRAINT_OBJECT_ID INNER JOIN sys.tables TB ON TB.OBJECT_ID = FKC.PARENT_OBJECT_ID INNER JOIN sys.columns COL ON COL.COLUMN_ID = PARENT_COLUMN_ID AND COL.OBJECT_ID = TB.OBJECT_ID INNER JOIN sys.tables RTB ON RTB.OBJECT_ID = FKC.REFERENCED_OBJECT_ID INNER JOIN sys.columns RCOL ON RCOL.COLUMN_ID = REFERENCED_COLUMN_ID AND RCOL.OBJECT_ID = RTB.OBJECT_ID`;
}
getForeignKeysQuery(table, catalogName) {
const tableName = table.tableName || table;
let sql = `${this._getForeignKeysQueryPrefix(catalogName)} WHERE TB.NAME =${wrapSingleQuote(tableName)}`;
if (table.schema) {
sql += ` AND SCHEMA_NAME(TB.SCHEMA_ID) =${wrapSingleQuote(table.schema)}`;
}
return sql;
}
getForeignKeyQuery(table, attributeName) {
const tableName = table.tableName || table;
return Utils.joinSQLFragments([
this._getForeignKeysQueryPrefix(),
"WHERE",
`TB.NAME =${wrapSingleQuote(tableName)}`,
"AND",
`COL.NAME =${wrapSingleQuote(attributeName)}`,
table.schema && `AND SCHEMA_NAME(TB.SCHEMA_ID) =${wrapSingleQuote(table.schema)}`
]);
}
getPrimaryKeyConstraintQuery(table, attributeName) {
const tableName = wrapSingleQuote(table.tableName || table);
return Utils.joinSQLFragments([
"SELECT K.TABLE_NAME AS tableName,",
"K.COLUMN_NAME AS columnName,",
"K.CONSTRAINT_NAME AS constraintName",
"FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS C",
"JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS K",
"ON C.TABLE_NAME = K.TABLE_NAME",
"AND C.CONSTRAINT_CATALOG = K.CONSTRAINT_CATALOG",
"AND C.CONSTRAINT_SCHEMA = K.CONSTRAINT_SCHEMA",
"AND C.CONSTRAINT_NAME = K.CONSTRAINT_NAME",
"WHERE C.CONSTRAINT_TYPE = 'PRIMARY KEY'",
`AND K.COLUMN_NAME = ${wrapSingleQuote(attributeName)}`,
`AND K.TABLE_NAME = ${tableName}`,
";"
]);
}
dropForeignKeyQuery(tableName, foreignKey) {
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(tableName),
"DROP",
this.quoteIdentifier(foreignKey)
]);
}
getDefaultConstraintQuery(tableName, attributeName) {
const quotedTable = this.quoteTable(tableName);
return Utils.joinSQLFragments([
"SELECT name FROM sys.default_constraints",
`WHERE PARENT_OBJECT_ID = OBJECT_ID('${quotedTable}', 'U')`,
`AND PARENT_COLUMN_ID = (SELECT column_id FROM sys.columns WHERE NAME = ('${attributeName}')`,
`AND object_id = OBJECT_ID('${quotedTable}', 'U'))`,
";"
]);
}
dropConstraintQuery(tableName, constraintName) {
return Utils.joinSQLFragments([
"ALTER TABLE",
this.quoteTable(tableName),
"DROP CONSTRAINT",
this.quoteIdentifier(constraintName),
";"
]);
}
setIsolationLevelQuery() {
}
generateTransactionId() {
return randomBytes(10).toString("hex");
}
startTransactionQuery(transaction) {
if (transaction.parent) {
return `SAVE TRANSACTION ${this.quoteIdentifier(transaction.name)};`;
}
return "BEGIN TRANSACTION;";
}
commitTransactionQuery(transaction) {
if (transaction.parent) {
return;
}
return "COMMIT TRANSACTION;";
}
rollbackTransactionQuery(transaction) {
if (transaction.parent) {
return `ROLLBACK TRANSACTION ${this.quoteIdentifier(transaction.name)};`;
}
return "ROLLBACK TRANSACTION;";
}
selectFromTableFragment(options, model, attributes, tables, mainTableAs, where) {
this._throwOnEmptyAttributes(attributes, { modelName: model && model.name, as: mainTableAs });
const dbVersion = this.sequelize.options.databaseVersion;
const isSQLServer2008 = semver.valid(dbVersion) && semver.lt(dbVersion, "11.0.0");
if (isSQLServer2008 && options.offset) {
const offset = options.offset || 0;
const isSubQuery = options.hasIncludeWhere || options.hasIncludeRequired || options.hasMultiAssociation;
let orders = { mainQueryOrder: [] };
if (options.order) {
orders = this.getQueryOrders(options, model, isSubQuery);
}
if (orders.mainQueryOrder.length === 0) {
orders.mainQueryOrder.push(this.quoteIdentifier(model.primaryKeyField));
}
const tmpTable = mainTableAs || "OffsetTable";
if (options.include) {
const subQuery = options.subQuery === void 0 ? options.limit && options.hasMultiAssociation : options.subQuery;
const mainTable = {
name: mainTableAs,
quotedName: null,
as: null,
model
};
const topLevelInfo = {
names: mainTable,
options,
subQuery
};
let mainJoinQueries = [];
for (const include of options.include) {
if (include.separate) {
continue;
}
const joinQueries = this.generateInclude(include, { externalAs: mainTableAs, internalAs: mainTableAs }, topLevelInfo);
mainJoinQueries = mainJoinQueries.concat(joinQueries.mainQuery);
}
return Utils.joinSQLFragments([
"SELECT TOP 100 PERCENT",
attributes.join(", "),
"FROM (",
[
"SELECT",
options.limit && `TOP ${options.limit}`,
"* FROM (",
[
"SELECT ROW_NUMBER() OVER (",
[
"ORDER BY",
orders.mainQueryOrder.join(", ")
],
`) as row_num, ${tmpTable}.* FROM (`,
[
"SELECT DISTINCT",
`${tmpTable}.* FROM ${tables} AS ${tmpTable}`,
mainJoinQueries,
where && `WHERE ${where}`
],
`) AS ${tmpTable}`
],
`) AS ${tmpTable} WHERE row_num > ${offset}`
],
`) AS ${tmpTable}`
]);
}
return Utils.joinSQLFragments([
"SELECT TOP 100 PERCENT",
attributes.join(", "),
"FROM (",
[
"SELECT",
options.limit && `TOP ${options.limit}`,
"* FROM (",
[
"SELECT ROW_NUMBER() OVER (",
[
"ORDER BY",
orders.mainQueryOrder.join(", ")
],
`) as row_num, * FROM ${tables} AS ${tmpTable}`,
where && `WHERE ${where}`
],
`) AS ${tmpTable} WHERE row_num > ${offset}`
],
`) AS ${tmpTable}`
]);
}
return Utils.joinSQLFragments([
"SELECT",
isSQLServer2008 && options.limit && `TOP ${options.limit}`,
attributes.join(", "),
`FROM ${tables}`,
mainTableAs && `AS ${mainTableAs}`,
options.tableHint && TableHints[options.tableHint] && `WITH (${TableHints[options.tableHint]})`
]);
}
addLimitAndOffset(options, model) {
if (semver.valid(this.sequelize.options.databaseVersion) && semver.lt(this.sequelize.options.databaseVersion, "11.0.0")) {
return "";
}
const offset = options.offset || 0;
const isSubQuery = options.subQuery === void 0 ? options.hasIncludeWhere || options.hasIncludeRequired || options.hasMultiAssociation : options.subQuery;
let fragment = "";
let orders = {};
if (options.order) {
orders = this.getQueryOrders(options, model, isSubQuery);
}
if (options.limit || options.offset) {
if (!options.order || options.order.length === 0 || options.include && orders.subQueryOrder.length === 0) {
let primaryKey = model.primaryKeyField;
const tablePkFragment = `${this.quoteTable(options.tableAs || model.name)}.${this.quoteIdentifier(primaryKey)}`;
const aliasedAttribute = (options.attributes || []).find((attr) => Array.isArray(attr) && attr[1] && (attr[0] === primaryKey || attr[1] === primaryKey));
if (aliasedAttribute) {
const modelName = this.quoteIdentifier(options.tableAs || model.name);
const alias = this._getAliasForField(modelName, aliasedAttribute[1], options);
primaryKey = new Utils.Col(alias || aliasedAttribute[1]);
}
if (!options.order || !options.order.length) {
fragment += ` ORDER BY ${tablePkFragment}`;
} else {
const orderFieldNames = (options.order || []).map((order) => {
const value = Array.isArray(order) ? order[0] : order;
if (value instanceof Utils.Col) {
return value.col;
}
if (value instanceof Utils.Literal) {
return value.val;
}
return value;
});
const primaryKeyFieldAlreadyPresent = orderFieldNames.some((fieldName) => fieldName === (primaryKey.col || primaryKey));
if (!primaryKeyFieldAlreadyPresent) {
fragment += options.order && !isSubQuery ? ", " : " ORDER BY ";
fragment += tablePkFragment;
}
}
}
if (options.offset || options.limit) {
fragment += ` OFFSET ${this.escape(offset)} ROWS`;
}
if (options.limit) {
fragment += ` FETCH NEXT ${this.escape(options.limit)} ROWS ONLY`;
}
}
return fragment;
}
booleanValue(value) {
return value ? 1 : 0;
}
quoteIdentifier(identifier, force) {
return `[${identifier.replace(/[[\]']+/g, "")}]`;
}
}
function wrapSingleQuote(identifier) {
return Utils.addTicks(Utils.removeTicks(identifier, "'"), "'");
}
module.exports = MSSQLQueryGenerator;
//# sourceMappingURL=query-generator.js.map
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