Add initial version of dijkstra backend cloudron image

node_modules/knex/lib/dialects/mysql/schema/columncompiler.js

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+// MySQL Column Compiler
+// -------
+const inherits = require('inherits');
+const ColumnCompiler = require('../../../schema/columncompiler');
+
+const { isObject } = require('lodash');
+
+function ColumnCompiler_MySQL() {
+  ColumnCompiler.apply(this, arguments);
+  this.modifiers = [
+    'unsigned',
+    'nullable',
+    'defaultTo',
+    'comment',
+    'collate',
+    'first',
+    'after',
+  ];
+}
+inherits(ColumnCompiler_MySQL, ColumnCompiler);
+
+// Types
+// ------
+
+Object.assign(ColumnCompiler_MySQL.prototype, {
+  increments: 'int unsigned not null auto_increment primary key',
+
+  bigincrements: 'bigint unsigned not null auto_increment primary key',
+
+  bigint: 'bigint',
+
+  double(precision, scale) {
+    if (!precision) return 'double';
+    return `double(${this._num(precision, 8)}, ${this._num(scale, 2)})`;
+  },
+
+  integer(length) {
+    length = length ? `(${this._num(length, 11)})` : '';
+    return `int${length}`;
+  },
+
+  mediumint: 'mediumint',
+
+  smallint: 'smallint',
+
+  tinyint(length) {
+    length = length ? `(${this._num(length, 1)})` : '';
+    return `tinyint${length}`;
+  },
+
+  text(column) {
+    switch (column) {
+      case 'medium':
+      case 'mediumtext':
+        return 'mediumtext';
+      case 'long':
+      case 'longtext':
+        return 'longtext';
+      default:
+        return 'text';
+    }
+  },
+
+  mediumtext() {
+    return this.text('medium');
+  },
+
+  longtext() {
+    return this.text('long');
+  },
+
+  enu(allowed) {
+    return `enum('${allowed.join("', '")}')`;
+  },
+
+  datetime(precision) {
+    if (isObject(precision)) {
+      ({ precision } = precision);
+    }
+
+    return typeof precision === 'number'
+      ? `datetime(${precision})`
+      : 'datetime';
+  },
+
+  timestamp(precision) {
+    if (isObject(precision)) {
+      ({ precision } = precision);
+    }
+
+    return typeof precision === 'number'
+      ? `timestamp(${precision})`
+      : 'timestamp';
+  },
+
+  time(precision) {
+    if (isObject(precision)) {
+      ({ precision } = precision);
+    }
+
+    return typeof precision === 'number' ? `time(${precision})` : 'time';
+  },
+
+  bit(length) {
+    return length ? `bit(${this._num(length)})` : 'bit';
+  },
+
+  binary(length) {
+    return length ? `varbinary(${this._num(length)})` : 'blob';
+  },
+
+  json() {
+    return 'json';
+  },
+
+  jsonb() {
+    return 'json';
+  },
+
+  // Modifiers
+  // ------
+
+  defaultTo(value) {
+    // MySQL defaults to null by default, but breaks down if you pass it explicitly
+    // Note that in MySQL versions up to 5.7, logic related to updating
+    // timestamps when no explicit value is passed is quite insane - https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_explicit_defaults_for_timestamp
+    if (value === null || value === undefined) {
+      return;
+    }
+    if ((this.type === 'json' || this.type === 'jsonb') && isObject(value)) {
+      // Default value for json will work only it is an expression
+      return `default ('${JSON.stringify(value)}')`;
+    }
+    const defaultVal = ColumnCompiler_MySQL.super_.prototype.defaultTo.apply(
+      this,
+      arguments
+    );
+    if (this.type !== 'blob' && this.type.indexOf('text') === -1) {
+      return defaultVal;
+    }
+    return '';
+  },
+
+  unsigned() {
+    return 'unsigned';
+  },
+
+  comment(comment) {
+    if (comment && comment.length > 255) {
+      this.client.logger.warn(
+        'Your comment is longer than the max comment length for MySQL'
+      );
+    }
+    return comment && `comment '${comment}'`;
+  },
+
+  first() {
+    return 'first';
+  },
+
+  after(column) {
+    return `after ${this.formatter.wrap(column)}`;
+  },
+
+  collate(collation) {
+    return collation && `collate '${collation}'`;
+  },
+});
+
+module.exports = ColumnCompiler_MySQL;

node_modules/knex/lib/dialects/mysql/schema/compiler.js

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+// MySQL Schema Compiler
+// -------
+const inherits = require('inherits');
+const SchemaCompiler = require('../../../schema/compiler');
+
+const { some } = require('lodash');
+
+function SchemaCompiler_MySQL(client, builder) {
+  SchemaCompiler.call(this, client, builder);
+}
+inherits(SchemaCompiler_MySQL, SchemaCompiler);
+
+Object.assign(SchemaCompiler_MySQL.prototype, {
+  // Rename a table on the schema.
+  renameTable(tableName, to) {
+    this.pushQuery(
+      `rename table ${this.formatter.wrap(tableName)} to ${this.formatter.wrap(
+        to
+      )}`
+    );
+  },
+
+  // Check whether a table exists on the query.
+  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 = database()';
+    }
+
+    this.pushQuery({
+      sql,
+      bindings,
+      output: function output(resp) {
+        return resp.length > 0;
+      },
+    });
+  },
+
+  // Check whether a column exists on the schema.
+  hasColumn(tableName, column) {
+    this.pushQuery({
+      sql: `show columns from ${this.formatter.wrap(tableName)}`,
+      output(resp) {
+        return some(resp, (row) => {
+          return (
+            this.client.wrapIdentifier(row.Field) ===
+            this.client.wrapIdentifier(column)
+          );
+        });
+      },
+    });
+  },
+});
+
+module.exports = SchemaCompiler_MySQL;

node_modules/knex/lib/dialects/mysql/schema/tablecompiler.js

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+/* eslint max-len:0 no-console:0*/
+
+// MySQL Table Builder & Compiler
+// -------
+const inherits = require('inherits');
+const TableCompiler = require('../../../schema/tablecompiler');
+
+// Table Compiler
+// ------
+
+function TableCompiler_MySQL() {
+  TableCompiler.apply(this, arguments);
+}
+
+inherits(TableCompiler_MySQL, TableCompiler);
+
+Object.assign(TableCompiler_MySQL.prototype, {
+  createQuery(columns, ifNot) {
+    const createStatement = ifNot
+      ? 'create table if not exists '
+      : 'create table ';
+    const { client } = this;
+    let conn = {};
+    let sql =
+      createStatement + this.tableName() + ' (' + columns.sql.join(', ') + ')';
+
+    // Check if the connection settings are set.
+    if (client.connectionSettings) {
+      conn = client.connectionSettings;
+    }
+
+    const charset = this.single.charset || conn.charset || '';
+    const collation = this.single.collate || conn.collate || '';
+    const engine = this.single.engine || '';
+
+    // var conn = builder.client.connectionSettings;
+    if (charset) sql += ` default character set ${charset}`;
+    if (collation) sql += ` collate ${collation}`;
+    if (engine) sql += ` engine = ${engine}`;
+
+    if (this.single.comment) {
+      const comment = this.single.comment || '';
+      if (comment.length > 60)
+        this.client.logger.warn(
+          'The max length for a table comment is 60 characters'
+        );
+      sql += ` comment = '${comment}'`;
+    }
+
+    this.pushQuery(sql);
+  },
+
+  addColumnsPrefix: 'add ',
+
+  alterColumnsPrefix: 'modify ',
+
+  dropColumnPrefix: 'drop ',
+
+  // Compiles the comment on the table.
+  comment(comment) {
+    this.pushQuery(`alter table ${this.tableName()} comment = '${comment}'`);
+  },
+
+  changeType() {
+    // alter table + table + ' modify ' + wrapped + '// type';
+  },
+
+  // Renames a column on the table.
+  renameColumn(from, to) {
+    const compiler = this;
+    const table = this.tableName();
+    const wrapped = this.formatter.wrap(from) + ' ' + this.formatter.wrap(to);
+
+    this.pushQuery({
+      sql:
+        `show fields from ${table} where field = ` +
+        this.formatter.parameter(from),
+      output(resp) {
+        const column = resp[0];
+        const runner = this;
+        return compiler.getFKRefs(runner).then(([refs]) =>
+          new Promise((resolve, reject) => {
+            try {
+              if (!refs.length) {
+                resolve();
+              }
+              resolve(compiler.dropFKRefs(runner, refs));
+            } catch (e) {
+              reject(e);
+            }
+          })
+            .then(function() {
+              let sql = `alter table ${table} change ${wrapped} ${column.Type}`;
+
+              if (String(column.Null).toUpperCase() !== 'YES') {
+                sql += ` NOT NULL`;
+              } else {
+                // This doesn't matter for most cases except Timestamp, where this is important
+                sql += ` NULL`;
+              }
+              if (column.Default !== void 0 && column.Default !== null) {
+                sql += ` DEFAULT '${column.Default}'`;
+              }
+
+              return runner.query({
+                sql,
+              });
+            })
+            .then(function() {
+              if (!refs.length) {
+                return;
+              }
+              return compiler.createFKRefs(
+                runner,
+                refs.map(function(ref) {
+                  if (ref.REFERENCED_COLUMN_NAME === from) {
+                    ref.REFERENCED_COLUMN_NAME = to;
+                  }
+                  if (ref.COLUMN_NAME === from) {
+                    ref.COLUMN_NAME = to;
+                  }
+                  return ref;
+                })
+              );
+            })
+        );
+      },
+    });
+  },
+
+  getFKRefs(runner) {
+    const formatter = this.client.formatter(this.tableBuilder);
+    const sql =
+      'SELECT KCU.CONSTRAINT_NAME, KCU.TABLE_NAME, KCU.COLUMN_NAME, ' +
+      '       KCU.REFERENCED_TABLE_NAME, KCU.REFERENCED_COLUMN_NAME, ' +
+      '       RC.UPDATE_RULE, RC.DELETE_RULE ' +
+      'FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS KCU ' +
+      'JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS AS RC ' +
+      '       USING(CONSTRAINT_NAME)' +
+      'WHERE KCU.REFERENCED_TABLE_NAME = ' +
+      formatter.parameter(this.tableNameRaw) +
+      ' ' +
+      '  AND KCU.CONSTRAINT_SCHEMA = ' +
+      formatter.parameter(this.client.database()) +
+      ' ' +
+      '  AND RC.CONSTRAINT_SCHEMA = ' +
+      formatter.parameter(this.client.database());
+
+    return runner.query({
+      sql,
+      bindings: formatter.bindings,
+    });
+  },
+
+  dropFKRefs(runner, refs) {
+    const formatter = this.client.formatter(this.tableBuilder);
+
+    return Promise.all(
+      refs.map(function(ref) {
+        const constraintName = formatter.wrap(ref.CONSTRAINT_NAME);
+        const tableName = formatter.wrap(ref.TABLE_NAME);
+        return runner.query({
+          sql: `alter table ${tableName} drop foreign key ${constraintName}`,
+        });
+      })
+    );
+  },
+  createFKRefs(runner, refs) {
+    const formatter = this.client.formatter(this.tableBuilder);
+
+    return Promise.all(
+      refs.map(function(ref) {
+        const tableName = formatter.wrap(ref.TABLE_NAME);
+        const keyName = formatter.wrap(ref.CONSTRAINT_NAME);
+        const column = formatter.columnize(ref.COLUMN_NAME);
+        const references = formatter.columnize(ref.REFERENCED_COLUMN_NAME);
+        const inTable = formatter.wrap(ref.REFERENCED_TABLE_NAME);
+        const onUpdate = ` ON UPDATE ${ref.UPDATE_RULE}`;
+        const onDelete = ` ON DELETE ${ref.DELETE_RULE}`;
+
+        return runner.query({
+          sql:
+            `alter table ${tableName} add constraint ${keyName} ` +
+            'foreign key (' +
+            column +
+            ') references ' +
+            inTable +
+            ' (' +
+            references +
+            ')' +
+            onUpdate +
+            onDelete,
+        });
+      })
+    );
+  },
+  index(columns, indexName, indexType) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+    this.pushQuery(
+      `alter table ${this.tableName()} add${
+        indexType ? ` ${indexType}` : ''
+      } index ${indexName}(${this.formatter.columnize(columns)})`
+    );
+  },
+
+  primary(columns, constraintName) {
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(`${this.tableNameRaw}_pkey`);
+    this.pushQuery(
+      `alter table ${this.tableName()} add primary key ${constraintName}(${this.formatter.columnize(
+        columns
+      )})`
+    );
+  },
+
+  unique(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, columns);
+    this.pushQuery(
+      `alter table ${this.tableName()} add unique ${indexName}(${this.formatter.columnize(
+        columns
+      )})`
+    );
+  },
+
+  // Compile a drop index command.
+  dropIndex(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+    this.pushQuery(`alter table ${this.tableName()} drop index ${indexName}`);
+  },
+
+  // Compile a drop foreign key command.
+  dropForeign(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('foreign', this.tableNameRaw, columns);
+    this.pushQuery(
+      `alter table ${this.tableName()} drop foreign key ${indexName}`
+    );
+  },
+
+  // Compile a drop primary key command.
+  dropPrimary() {
+    this.pushQuery(`alter table ${this.tableName()} drop primary key`);
+  },
+
+  // Compile a drop unique key command.
+  dropUnique(column, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, column);
+    this.pushQuery(`alter table ${this.tableName()} drop index ${indexName}`);
+  },
+});
+
+module.exports = TableCompiler_MySQL;