Initial commit

node_modules/knex/lib/dialects/postgres/schema/pg-columncompiler.js

@@ -0,0 +1,156 @@
+// PostgreSQL Column Compiler
+// -------
+
+const ColumnCompiler = require('../../../schema/columncompiler');
+const { isObject } = require('../../../util/is');
+const { toNumber } = require('../../../util/helpers');
+const commentEscapeRegex = /(?<!')'(?!')/g;
+
+class ColumnCompiler_PG extends ColumnCompiler {
+  constructor(client, tableCompiler, columnBuilder) {
+    super(client, tableCompiler, columnBuilder);
+    this.modifiers = ['nullable', 'defaultTo', 'comment'];
+    this._addCheckModifiers();
+  }
+
+  // Types
+  // ------
+
+  bit(column) {
+    return column.length !== false ? `bit(${column.length})` : 'bit';
+  }
+
+  // Create the column definition for an enum type.
+  // Using method "2" here: http://stackoverflow.com/a/10984951/525714
+  enu(allowed, options) {
+    options = options || {};
+
+    const values =
+      options.useNative && options.existingType
+        ? undefined
+        : allowed.join("', '");
+
+    if (options.useNative) {
+      let enumName = '';
+      const schemaName = options.schemaName || this.tableCompiler.schemaNameRaw;
+
+      if (schemaName) {
+        enumName += `"${schemaName}".`;
+      }
+
+      enumName += `"${options.enumName}"`;
+
+      if (!options.existingType) {
+        this.tableCompiler.unshiftQuery(
+          `create type ${enumName} as enum ('${values}')`
+        );
+      }
+
+      return enumName;
+    }
+    return `text check (${this.formatter.wrap(this.args[0])} in ('${values}'))`;
+  }
+
+  decimal(precision, scale) {
+    if (precision === null) return 'decimal';
+    return `decimal(${toNumber(precision, 8)}, ${toNumber(scale, 2)})`;
+  }
+
+  json(jsonb) {
+    if (jsonb) this.client.logger.deprecate('json(true)', 'jsonb()');
+    return jsonColumn(this.client, jsonb);
+  }
+
+  jsonb() {
+    return jsonColumn(this.client, true);
+  }
+
+  checkRegex(regex, constraintName) {
+    return this._check(
+      `${this.formatter.wrap(
+        this.getColumnName()
+      )} ~ ${this.client._escapeBinding(regex)}`,
+      constraintName
+    );
+  }
+
+  datetime(withoutTz = false, precision) {
+    let useTz;
+    if (isObject(withoutTz)) {
+      ({ useTz, precision } = withoutTz);
+    } else {
+      useTz = !withoutTz;
+    }
+    useTz = typeof useTz === 'boolean' ? useTz : true;
+    precision =
+      precision !== undefined && precision !== null
+        ? '(' + precision + ')'
+        : '';
+
+    return `${useTz ? 'timestamptz' : 'timestamp'}${precision}`;
+  }
+
+  timestamp(withoutTz = false, precision) {
+    return this.datetime(withoutTz, precision);
+  }
+
+  // Modifiers:
+  // ------
+  comment(comment) {
+    const columnName = this.args[0] || this.defaults('columnName');
+    const escapedComment = comment
+      ? `'${comment.replace(commentEscapeRegex, "''")}'`
+      : 'NULL';
+
+    this.pushAdditional(function () {
+      this.pushQuery(
+        `comment on column ${this.tableCompiler.tableName()}.` +
+          this.formatter.wrap(columnName) +
+          ` is ${escapedComment}`
+      );
+    }, comment);
+  }
+
+  increments(options = { primaryKey: true }) {
+    return (
+      'serial' +
+      (this.tableCompiler._canBeAddPrimaryKey(options) ? ' primary key' : '')
+    );
+  }
+
+  bigincrements(options = { primaryKey: true }) {
+    return (
+      'bigserial' +
+      (this.tableCompiler._canBeAddPrimaryKey(options) ? ' primary key' : '')
+    );
+  }
+
+  uuid(options = { primaryKey: false }) {
+    return (
+      'uuid' +
+      (this.tableCompiler._canBeAddPrimaryKey(options) ? ' primary key' : '')
+    );
+  }
+}
+
+ColumnCompiler_PG.prototype.bigint = 'bigint';
+ColumnCompiler_PG.prototype.binary = 'bytea';
+ColumnCompiler_PG.prototype.bool = 'boolean';
+ColumnCompiler_PG.prototype.double = 'double precision';
+ColumnCompiler_PG.prototype.floating = 'real';
+ColumnCompiler_PG.prototype.smallint = 'smallint';
+ColumnCompiler_PG.prototype.tinyint = 'smallint';
+
+function jsonColumn(client, jsonb) {
+  if (
+    !client.version ||
+    client.config.client === 'cockroachdb' ||
+    client.config.jsonbSupport === true ||
+    parseFloat(client.version) >= 9.2
+  ) {
+    return jsonb ? 'jsonb' : 'json';
+  }
+  return 'text';
+}
+
+module.exports = ColumnCompiler_PG;

node_modules/knex/lib/dialects/postgres/schema/pg-compiler.js

@@ -0,0 +1,138 @@
+// PostgreSQL Schema Compiler
+// -------
+
+const SchemaCompiler = require('../../../schema/compiler');
+
+class SchemaCompiler_PG extends SchemaCompiler {
+  constructor(client, builder) {
+    super(client, builder);
+  }
+
+  // Check whether the current table
+  hasTable(tableName) {
+    let sql = 'select * from information_schema.tables where table_name = ?';
+    const bindings = [tableName];
+
+    if (this.schema) {
+      sql += ' and table_schema = ?';
+      bindings.push(this.schema);
+    } else {
+      sql += ' and table_schema = current_schema()';
+    }
+
+    this.pushQuery({
+      sql,
+      bindings,
+      output(resp) {
+        return resp.rows.length > 0;
+      },
+    });
+  }
+
+  // Compile the query to determine if a column exists in a table.
+  hasColumn(tableName, columnName) {
+    let sql =
+      'select * from information_schema.columns where table_name = ? and column_name = ?';
+    const bindings = [tableName, columnName];
+
+    if (this.schema) {
+      sql += ' and table_schema = ?';
+      bindings.push(this.schema);
+    } else {
+      sql += ' and table_schema = current_schema()';
+    }
+
+    this.pushQuery({
+      sql,
+      bindings,
+      output(resp) {
+        return resp.rows.length > 0;
+      },
+    });
+  }
+
+  qualifiedTableName(tableName) {
+    const name = this.schema ? `${this.schema}.${tableName}` : tableName;
+    return this.formatter.wrap(name);
+  }
+
+  // Compile a rename table command.
+  renameTable(from, to) {
+    this.pushQuery(
+      `alter table ${this.qualifiedTableName(
+        from
+      )} rename to ${this.formatter.wrap(to)}`
+    );
+  }
+
+  createSchema(schemaName) {
+    this.pushQuery(`create schema ${this.formatter.wrap(schemaName)}`);
+  }
+
+  createSchemaIfNotExists(schemaName) {
+    this.pushQuery(
+      `create schema if not exists ${this.formatter.wrap(schemaName)}`
+    );
+  }
+
+  dropSchema(schemaName, cascade = false) {
+    this.pushQuery(
+      `drop schema ${this.formatter.wrap(schemaName)}${
+        cascade ? ' cascade' : ''
+      }`
+    );
+  }
+
+  dropSchemaIfExists(schemaName, cascade = false) {
+    this.pushQuery(
+      `drop schema if exists ${this.formatter.wrap(schemaName)}${
+        cascade ? ' cascade' : ''
+      }`
+    );
+  }
+
+  dropExtension(extensionName) {
+    this.pushQuery(`drop extension ${this.formatter.wrap(extensionName)}`);
+  }
+
+  dropExtensionIfExists(extensionName) {
+    this.pushQuery(
+      `drop extension if exists ${this.formatter.wrap(extensionName)}`
+    );
+  }
+
+  createExtension(extensionName) {
+    this.pushQuery(`create extension ${this.formatter.wrap(extensionName)}`);
+  }
+
+  createExtensionIfNotExists(extensionName) {
+    this.pushQuery(
+      `create extension if not exists ${this.formatter.wrap(extensionName)}`
+    );
+  }
+
+  renameView(from, to) {
+    this.pushQuery(
+      this.alterViewPrefix +
+        `${this.formatter.wrap(from)} rename to ${this.formatter.wrap(to)}`
+    );
+  }
+
+  refreshMaterializedView(viewName, concurrently = false) {
+    this.pushQuery({
+      sql: `refresh materialized view${
+        concurrently ? ' concurrently' : ''
+      } ${this.formatter.wrap(viewName)}`,
+    });
+  }
+
+  dropMaterializedView(viewName) {
+    this._dropView(viewName, false, true);
+  }
+
+  dropMaterializedViewIfExists(viewName) {
+    this._dropView(viewName, true, true);
+  }
+}
+
+module.exports = SchemaCompiler_PG;

node_modules/knex/lib/dialects/postgres/schema/pg-tablecompiler.js

@@ -0,0 +1,304 @@
+/* eslint max-len: 0 */
+
+// PostgreSQL Table Builder & Compiler
+// -------
+
+const has = require('lodash/has');
+const TableCompiler = require('../../../schema/tablecompiler');
+const { isObject, isString } = require('../../../util/is');
+
+class TableCompiler_PG extends TableCompiler {
+  constructor(client, tableBuilder) {
+    super(client, tableBuilder);
+  }
+
+  // Compile a rename column command.
+  renameColumn(from, to) {
+    return this.pushQuery({
+      sql: `alter table ${this.tableName()} rename ${this.formatter.wrap(
+        from
+      )} to ${this.formatter.wrap(to)}`,
+    });
+  }
+
+  _setNullableState(column, isNullable) {
+    const constraintAction = isNullable ? 'drop not null' : 'set not null';
+    const sql = `alter table ${this.tableName()} alter column ${this.formatter.wrap(
+      column
+    )} ${constraintAction}`;
+    return this.pushQuery({
+      sql: sql,
+    });
+  }
+
+  compileAdd(builder) {
+    const table = this.formatter.wrap(builder);
+    const columns = this.prefixArray('add column', this.getColumns(builder));
+    return this.pushQuery({
+      sql: `alter table ${table} ${columns.join(', ')}`,
+    });
+  }
+
+  // Adds the "create" query to the query sequence.
+  createQuery(columns, ifNot, like) {
+    const createStatement = ifNot
+      ? 'create table if not exists '
+      : 'create table ';
+    const columnsSql = ` (${columns.sql.join(', ')}${
+      this.primaryKeys() || ''
+    }${this._addChecks()})`;
+
+    let sql =
+      createStatement +
+      this.tableName() +
+      (like && this.tableNameLike()
+        ? ' (like ' +
+          this.tableNameLike() +
+          ' including all' +
+          (columns.sql.length ? ', ' + columns.sql.join(', ') : '') +
+          ')'
+        : columnsSql);
+    if (this.single.inherits)
+      sql += ` inherits (${this.formatter.wrap(this.single.inherits)})`;
+    this.pushQuery({
+      sql,
+      bindings: columns.bindings,
+    });
+    const hasComment = has(this.single, 'comment');
+    if (hasComment) this.comment(this.single.comment);
+  }
+
+  primaryKeys() {
+    const pks = (this.grouped.alterTable || []).filter(
+      (k) => k.method === 'primary'
+    );
+    if (pks.length > 0 && pks[0].args.length > 0) {
+      const columns = pks[0].args[0];
+      let constraintName = pks[0].args[1] || '';
+      let deferrable;
+      if (isObject(constraintName)) {
+        ({ constraintName, deferrable } = constraintName);
+      }
+      deferrable = deferrable ? ` deferrable initially ${deferrable}` : '';
+      constraintName = constraintName
+        ? this.formatter.wrap(constraintName)
+        : this.formatter.wrap(`${this.tableNameRaw}_pkey`);
+
+      return `, constraint ${constraintName} primary key (${this.formatter.columnize(
+        columns
+      )})${deferrable}`;
+    }
+  }
+
+  addColumns(columns, prefix, colCompilers) {
+    if (prefix === this.alterColumnsPrefix) {
+      // alter columns
+      for (const col of colCompilers) {
+        this._addColumn(col);
+      }
+    } else {
+      // base class implementation for normal add
+      super.addColumns(columns, prefix);
+    }
+  }
+
+  _addColumn(col) {
+    const quotedTableName = this.tableName();
+    const type = col.getColumnType();
+    // We'd prefer to call this.formatter.wrapAsIdentifier here instead, however the context passed to
+    // `this` instance is not that of the column, but of the table. Thus, we unfortunately have to call
+    // `wrapIdentifier` here as well (it is already called once on the initial column operation) to give
+    // our `alter` operation the correct `queryContext`. Refer to issue #2606 and PR #2612.
+    const colName = this.client.wrapIdentifier(
+      col.getColumnName(),
+      col.columnBuilder.queryContext()
+    );
+
+    // To alter enum columns they must be cast to text first
+    const isEnum = col.type === 'enu';
+    this.pushQuery({
+      sql: `alter table ${quotedTableName} alter column ${colName} drop default`,
+      bindings: [],
+    });
+
+    const alterNullable = col.columnBuilder.alterNullable;
+    if (alterNullable) {
+      this.pushQuery({
+        sql: `alter table ${quotedTableName} alter column ${colName} drop not null`,
+        bindings: [],
+      });
+    }
+
+    const alterType = col.columnBuilder.alterType;
+    if (alterType) {
+      this.pushQuery({
+        sql: `alter table ${quotedTableName} alter column ${colName} type ${type} using (${colName}${
+          isEnum ? '::text::' : '::'
+        }${type})`,
+        bindings: [],
+      });
+    }
+
+    const defaultTo = col.modified['defaultTo'];
+    if (defaultTo) {
+      const modifier = col.defaultTo.apply(col, defaultTo);
+      this.pushQuery({
+        sql: `alter table ${quotedTableName} alter column ${colName} set ${modifier}`,
+        bindings: [],
+      });
+    }
+
+    if (alterNullable) {
+      const nullable = col.modified['nullable'];
+      if (nullable && nullable[0] === false) {
+        this.pushQuery({
+          sql: `alter table ${quotedTableName} alter column ${colName} set not null`,
+          bindings: [],
+        });
+      }
+    }
+  }
+
+  // Compiles the comment on the table.
+  comment(comment) {
+    this.pushQuery(
+      `comment on table ${this.tableName()} is '${this.single.comment}'`
+    );
+  }
+
+  // Indexes:
+  // -------
+
+  primary(columns, constraintName) {
+    let deferrable;
+    if (isObject(constraintName)) {
+      ({ constraintName, deferrable } = constraintName);
+    }
+    deferrable = deferrable ? ` deferrable initially ${deferrable}` : '';
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(`${this.tableNameRaw}_pkey`);
+    if (this.method !== 'create' && this.method !== 'createIfNot') {
+      this.pushQuery(
+        `alter table ${this.tableName()} add constraint ${constraintName} primary key (${this.formatter.columnize(
+          columns
+        )})${deferrable}`
+      );
+    }
+  }
+
+  unique(columns, indexName) {
+    let deferrable;
+    let useConstraint = true;
+    let predicate;
+    if (isObject(indexName)) {
+      ({ indexName, deferrable, useConstraint, predicate } = indexName);
+      if (useConstraint === undefined) {
+        useConstraint = !!deferrable || !predicate;
+      }
+    }
+    if (!useConstraint && deferrable && deferrable !== 'not deferrable') {
+      throw new Error('postgres cannot create deferrable index');
+    }
+    if (useConstraint && predicate) {
+      throw new Error('postgres cannot create constraint with predicate');
+    }
+    deferrable = deferrable ? ` deferrable initially ${deferrable}` : '';
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, columns);
+
+    if (useConstraint) {
+      this.pushQuery(
+        `alter table ${this.tableName()} add constraint ${indexName}` +
+          ' unique (' +
+          this.formatter.columnize(columns) +
+          ')' +
+          deferrable
+      );
+    } else {
+      const predicateQuery = predicate
+        ? ' ' + this.client.queryCompiler(predicate).where()
+        : '';
+
+      this.pushQuery(
+        `create unique index ${indexName} on ${this.tableName()} (${this.formatter.columnize(
+          columns
+        )})${predicateQuery}`
+      );
+    }
+  }
+
+  index(columns, indexName, options) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+
+    let predicate;
+    let storageEngineIndexType;
+    let indexType;
+
+    if (isString(options)) {
+      storageEngineIndexType = options;
+    } else if (isObject(options)) {
+      ({ indexType, storageEngineIndexType, predicate } = options);
+    }
+
+    const predicateQuery = predicate
+      ? ' ' + this.client.queryCompiler(predicate).where()
+      : '';
+
+    this.pushQuery(
+      `create${
+        typeof indexType === 'string' && indexType.toLowerCase() === 'unique'
+          ? ' unique'
+          : ''
+      } index ${indexName} on ${this.tableName()}${
+        (storageEngineIndexType && ` using ${storageEngineIndexType}`) || ''
+      }` +
+        ' (' +
+        this.formatter.columnize(columns) +
+        ')' +
+        `${predicateQuery}`
+    );
+  }
+
+  dropPrimary(constraintName) {
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(this.tableNameRaw + '_pkey');
+    this.pushQuery(
+      `alter table ${this.tableName()} drop constraint ${constraintName}`
+    );
+  }
+
+  dropIndex(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+    indexName = this.schemaNameRaw
+      ? `${this.formatter.wrap(this.schemaNameRaw)}.${indexName}`
+      : indexName;
+    this.pushQuery(`drop index ${indexName}`);
+  }
+
+  dropUnique(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, columns);
+    this.pushQuery(
+      `alter table ${this.tableName()} drop constraint ${indexName}`
+    );
+  }
+
+  dropForeign(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('foreign', this.tableNameRaw, columns);
+    this.pushQuery(
+      `alter table ${this.tableName()} drop constraint ${indexName}`
+    );
+  }
+}
+
+module.exports = TableCompiler_PG;

node_modules/knex/lib/dialects/postgres/schema/pg-viewbuilder.js

@@ -0,0 +1,21 @@
+const ViewBuilder = require('../../../schema/viewbuilder.js');
+
+class ViewBuilder_PG extends ViewBuilder {
+  constructor() {
+    super(...arguments);
+  }
+
+  checkOption() {
+    this._single.checkOption = 'default_option';
+  }
+
+  localCheckOption() {
+    this._single.checkOption = 'local';
+  }
+
+  cascadedCheckOption() {
+    this._single.checkOption = 'cascaded';
+  }
+}
+
+module.exports = ViewBuilder_PG;

node_modules/knex/lib/dialects/postgres/schema/pg-viewcompiler.js

@@ -0,0 +1,35 @@
+/* eslint max-len: 0 */
+
+const ViewCompiler = require('../../../schema/viewcompiler.js');
+
+class ViewCompiler_PG extends ViewCompiler {
+  constructor(client, viewCompiler) {
+    super(client, viewCompiler);
+  }
+
+  renameColumn(from, to) {
+    return this.pushQuery({
+      sql: `alter view ${this.viewName()} rename ${this.formatter.wrap(
+        from
+      )} to ${this.formatter.wrap(to)}`,
+    });
+  }
+
+  defaultTo(column, defaultValue) {
+    return this.pushQuery({
+      sql: `alter view ${this.viewName()} alter ${this.formatter.wrap(
+        column
+      )} set default ${defaultValue}`,
+    });
+  }
+
+  createOrReplace() {
+    this.createQuery(this.columns, this.selectQuery, false, true);
+  }
+
+  createMaterializedView() {
+    this.createQuery(this.columns, this.selectQuery, true);
+  }
+}
+
+module.exports = ViewCompiler_PG;