8 lines
4.3 KiB
Plaintext
8 lines
4.3 KiB
Plaintext
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{
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"version": 3,
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"sources": ["../../../src/dialects/snowflake/query-interface.js"],
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"sourcesContent": ["'use strict';\n\nconst sequelizeErrors = require('../../errors');\nconst { QueryInterface } = require('../abstract/query-interface');\nconst QueryTypes = require('../../query-types');\n\n/**\n * The interface that Sequelize uses to talk with Snowflake database\n */\nclass SnowflakeQueryInterface extends QueryInterface {\n /**\n * A wrapper that fixes Snowflake's inability to cleanly remove columns from existing tables if they have a foreign key constraint.\n *\n * @override\n */\n async removeColumn(tableName, columnName, options) {\n options = options || {};\n\n const [results] = await this.sequelize.query(\n this.queryGenerator.getForeignKeyQuery(tableName.tableName ? tableName : {\n tableName,\n schema: this.sequelize.config.database\n }, columnName),\n { raw: true, ...options }\n );\n\n //Exclude primary key constraint\n if (results.length && results[0].constraint_name !== 'PRIMARY') {\n await Promise.all(results.map(constraint => this.sequelize.query(\n this.queryGenerator.dropForeignKeyQuery(tableName, constraint.constraint_name),\n { raw: true, ...options }\n )));\n }\n\n return await this.sequelize.query(\n this.queryGenerator.removeColumnQuery(tableName, columnName),\n { raw: true, ...options }\n );\n }\n\n /** @override */\n async upsert(tableName, insertValues, updateValues, where, options) {\n options = { ...options };\n\n options.type = QueryTypes.UPSERT;\n options.updateOnDuplicate = Object.keys(updateValues);\n\n const model = options.model;\n const sql = this.queryGenerator.insertQuery(tableName, insertValues, model.rawAttributes, options);\n return await this.sequelize.query(sql, options);\n }\n\n /** @override */\n async removeConstraint(tableName, constraintName, options) {\n const sql = this.queryGenerator.showConstraintsQuery(\n tableName.tableName ? tableName : {\n tableName,\n schema: this.sequelize.config.database\n }, constraintName);\n\n const constraints = await this.sequelize.query(sql, { ...options,\n type: this.sequelize.QueryTypes.SHOWCONSTRAINTS });\n\n const constraint = constraints[0];\n let query;\n if (!constraint || !constraint.constraintType) {\n throw new sequelizeErrors.UnknownConstraintError(\n {\n message: `Constraint ${constraintName} on table ${tableName} does not exist`,\n constraint: constraintName,\n table: tableName\n });\n }\n\n if (constraint.constraintType === 'FOREIGN KEY') {\n query = this.queryGenerator.dropForeignKeyQuery(tableName, constraintName);\n } else {\n query = this.queryGenerator.removeIndexQuery(constraint.tableName, constraint.constraintName);\n }\n\n return await this.sequelize.query(query, options);\n }\n}\n\nexports.SnowflakeQueryInterface = SnowflakeQueryInterface;\n"],
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"names": []
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}
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