Add initial version of dijkstra backend cloudron image

node_modules/knex/lib/dialects/oracle/schema/columnbuilder.js

@@ -0,0 +1,18 @@
+const inherits = require('inherits');
+const ColumnBuilder = require('../../../schema/columnbuilder');
+
+const { toArray } = require('lodash');
+
+function ColumnBuilder_Oracle() {
+  ColumnBuilder.apply(this, arguments);
+}
+inherits(ColumnBuilder_Oracle, ColumnBuilder);
+
+// checkIn added to the builder to allow the column compiler to change the
+// order via the modifiers ("check" must be after "default")
+ColumnBuilder_Oracle.prototype.checkIn = function() {
+  this._modifiers.checkIn = toArray(arguments);
+  return this;
+};
+
+module.exports = ColumnBuilder_Oracle;

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

@@ -0,0 +1,139 @@
+const { uniq, map } = require('lodash');
+const inherits = require('inherits');
+const Raw = require('../../../raw');
+const ColumnCompiler = require('../../../schema/columncompiler');
+const Trigger = require('./trigger');
+
+// Column Compiler
+// -------
+
+function ColumnCompiler_Oracle() {
+  ColumnCompiler.apply(this, arguments);
+  this.modifiers = ['defaultTo', 'checkIn', 'nullable', 'comment'];
+}
+inherits(ColumnCompiler_Oracle, ColumnCompiler);
+
+Object.assign(ColumnCompiler_Oracle.prototype, {
+  // helper function for pushAdditional in increments() and bigincrements()
+  _createAutoIncrementTriggerAndSequence() {
+    // TODO Add warning that sequence etc is created
+    this.pushAdditional(function() {
+      const tableName = this.tableCompiler.tableNameRaw;
+      const createTriggerSQL = Trigger.createAutoIncrementTrigger(
+        this.client.logger,
+        tableName
+      );
+      this.pushQuery(createTriggerSQL);
+    });
+  },
+
+  increments() {
+    this._createAutoIncrementTriggerAndSequence();
+    return 'integer not null primary key';
+  },
+
+  bigincrements() {
+    this._createAutoIncrementTriggerAndSequence();
+    return 'number(20, 0) not null primary key';
+  },
+
+  floating(precision) {
+    const parsedPrecision = this._num(precision, 0);
+    return `float${parsedPrecision ? `(${parsedPrecision})` : ''}`;
+  },
+
+  double(precision, scale) {
+    // if (!precision) return 'number'; // TODO: Check If default is ok
+    return `number(${this._num(precision, 8)}, ${this._num(scale, 2)})`;
+  },
+
+  decimal(precision, scale) {
+    if (precision === null) return 'decimal';
+    return `decimal(${this._num(precision, 8)}, ${this._num(scale, 2)})`;
+  },
+
+  integer(length) {
+    return length ? `number(${this._num(length, 11)})` : 'integer';
+  },
+
+  tinyint: 'smallint',
+
+  smallint: 'smallint',
+
+  mediumint: 'integer',
+
+  biginteger: 'number(20, 0)',
+
+  text: 'clob',
+
+  enu(allowed) {
+    allowed = uniq(allowed);
+    const maxLength = (allowed || []).reduce(
+      (maxLength, name) => Math.max(maxLength, String(name).length),
+      1
+    );
+
+    // implicitly add the enum values as checked values
+    this.columnBuilder._modifiers.checkIn = [allowed];
+
+    return `varchar2(${maxLength})`;
+  },
+
+  time: 'timestamp with time zone',
+
+  datetime(without) {
+    return without ? 'timestamp' : 'timestamp with time zone';
+  },
+
+  timestamp(without) {
+    return without ? 'timestamp' : 'timestamp with time zone';
+  },
+
+  bit: 'clob',
+
+  json: 'clob',
+
+  bool() {
+    // implicitly add the check for 0 and 1
+    this.columnBuilder._modifiers.checkIn = [[0, 1]];
+    return 'number(1, 0)';
+  },
+
+  varchar(length) {
+    return `varchar2(${this._num(length, 255)})`;
+  },
+
+  // Modifiers
+  // ------
+
+  comment(comment) {
+    const columnName = this.args[0] || this.defaults('columnName');
+
+    this.pushAdditional(function() {
+      this.pushQuery(
+        `comment on column ${this.tableCompiler.tableName()}.` +
+          this.formatter.wrap(columnName) +
+          " is '" +
+          (comment || '') +
+          "'"
+      );
+    }, comment);
+  },
+
+  checkIn(value) {
+    // TODO: Maybe accept arguments also as array
+    // TODO: value(s) should be escaped properly
+    if (value === undefined) {
+      return '';
+    } else if (value instanceof Raw) {
+      value = value.toQuery();
+    } else if (Array.isArray(value)) {
+      value = map(value, (v) => `'${v}'`).join(', ');
+    } else {
+      value = `'${value}'`;
+    }
+    return `check (${this.formatter.wrap(this.args[0])} in (${value}))`;
+  },
+});
+
+module.exports = ColumnCompiler_Oracle;

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

@@ -0,0 +1,81 @@
+// Oracle Schema Compiler
+// -------
+const inherits = require('inherits');
+const SchemaCompiler = require('../../../schema/compiler');
+const utils = require('../utils');
+const Trigger = require('./trigger');
+
+function SchemaCompiler_Oracle() {
+  SchemaCompiler.apply(this, arguments);
+}
+inherits(SchemaCompiler_Oracle, SchemaCompiler);
+
+// Rename a table on the schema.
+SchemaCompiler_Oracle.prototype.renameTable = function(tableName, to) {
+  const renameTable = Trigger.renameTableAndAutoIncrementTrigger(
+    this.client.logger,
+    tableName,
+    to
+  );
+  this.pushQuery(renameTable);
+};
+
+// Check whether a table exists on the query.
+SchemaCompiler_Oracle.prototype.hasTable = function(tableName) {
+  this.pushQuery({
+    sql:
+      'select TABLE_NAME from USER_TABLES where TABLE_NAME = ' +
+      this.formatter.parameter(tableName),
+    output(resp) {
+      return resp.length > 0;
+    },
+  });
+};
+
+// Check whether a column exists on the schema.
+SchemaCompiler_Oracle.prototype.hasColumn = function(tableName, column) {
+  const sql =
+    `select COLUMN_NAME from USER_TAB_COLUMNS ` +
+    `where TABLE_NAME = ${this.formatter.parameter(tableName)} ` +
+    `and COLUMN_NAME = ${this.formatter.parameter(column)}`;
+  this.pushQuery({ sql, output: (resp) => resp.length > 0 });
+};
+
+SchemaCompiler_Oracle.prototype.dropSequenceIfExists = function(sequenceName) {
+  this.pushQuery(
+    utils.wrapSqlWithCatch(
+      `drop sequence ${this.formatter.wrap(sequenceName)}`,
+      -2289
+    )
+  );
+};
+
+SchemaCompiler_Oracle.prototype._dropRelatedSequenceIfExists = function(
+  tableName
+) {
+  // removing the sequence that was possibly generated by increments() column
+  const sequenceName = utils.generateCombinedName(
+    this.client.logger,
+    'seq',
+    tableName
+  );
+  this.dropSequenceIfExists(sequenceName);
+};
+
+SchemaCompiler_Oracle.prototype.dropTable = function(tableName) {
+  this.pushQuery(`drop table ${this.formatter.wrap(tableName)}`);
+
+  // removing the sequence that was possibly generated by increments() column
+  this._dropRelatedSequenceIfExists(tableName);
+};
+
+SchemaCompiler_Oracle.prototype.dropTableIfExists = function(tableName) {
+  this.pushQuery(
+    utils.wrapSqlWithCatch(`drop table ${this.formatter.wrap(tableName)}`, -942)
+  );
+
+  // removing the sequence that was possibly generated by increments() column
+  this._dropRelatedSequenceIfExists(tableName);
+};
+
+module.exports = SchemaCompiler_Oracle;

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

@@ -0,0 +1,167 @@
+/* eslint max-len:0 */
+
+const inherits = require('inherits');
+const utils = require('../utils');
+const TableCompiler = require('../../../schema/tablecompiler');
+const helpers = require('../../../helpers');
+const Trigger = require('./trigger');
+
+const { map } = require('lodash');
+
+// Table Compiler
+// ------
+
+function TableCompiler_Oracle() {
+  TableCompiler.apply(this, arguments);
+}
+inherits(TableCompiler_Oracle, TableCompiler);
+
+Object.assign(TableCompiler_Oracle.prototype, {
+  addColumns(columns, prefix) {
+    if (columns.sql.length > 0) {
+      prefix = prefix || this.addColumnsPrefix;
+
+      const columnSql = map(columns.sql, (column) => column);
+      const alter = this.lowerCase ? 'alter table ' : 'ALTER TABLE ';
+
+      let sql = `${alter}${this.tableName()} ${prefix}`;
+      if (columns.sql.length > 1) {
+        sql += `(${columnSql.join(', ')})`;
+      } else {
+        sql += columnSql.join(', ');
+      }
+
+      this.pushQuery({
+        sql,
+        bindings: columns.bindings,
+      });
+    }
+  },
+
+  // Compile a rename column command.
+  renameColumn(from, to) {
+    // Remove quotes around tableName
+    const tableName = this.tableName().slice(1, -1);
+    return this.pushQuery(
+      Trigger.renameColumnTrigger(this.client.logger, tableName, from, to)
+    );
+  },
+
+  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) {
+    const sql = `create table ${this.tableName()} (${columns.sql.join(', ')})`;
+    this.pushQuery({
+      // catch "name is already used by an existing object" for workaround for "if not exists"
+      sql: ifNot ? utils.wrapSqlWithCatch(sql, -955) : sql,
+      bindings: columns.bindings,
+    });
+    if (this.single.comment) this.comment(this.single.comment);
+  },
+
+  // Compiles the comment on the table.
+  comment(comment) {
+    this.pushQuery(`comment on table ${this.tableName()} is '${comment}'`);
+  },
+
+  addColumnsPrefix: 'add ',
+
+  alterColumnsPrefix: 'modify ',
+
+  dropColumn() {
+    const columns = helpers.normalizeArr.apply(null, arguments);
+    this.pushQuery(
+      `alter table ${this.tableName()} drop (${this.formatter.columnize(
+        columns
+      )})`
+    );
+  },
+
+  changeType() {
+    // alter table + table + ' modify ' + wrapped + '// type';
+  },
+
+  _indexCommand(type, tableName, columns) {
+    return this.formatter.wrap(
+      utils.generateCombinedName(this.client.logger, type, tableName, columns)
+    );
+  },
+
+  primary(columns, constraintName) {
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(`${this.tableNameRaw}_pkey`);
+    this.pushQuery(
+      `alter table ${this.tableName()} add constraint ${constraintName} primary key (${this.formatter.columnize(
+        columns
+      )})`
+    );
+  },
+
+  dropPrimary(constraintName) {
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(this.tableNameRaw + '_pkey');
+    this.pushQuery(
+      `alter table ${this.tableName()} drop constraint ${constraintName}`
+    );
+  },
+
+  index(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+    this.pushQuery(
+      `create index ${indexName} on ${this.tableName()}` +
+        ' (' +
+        this.formatter.columnize(columns) +
+        ')'
+    );
+  },
+
+  dropIndex(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+    this.pushQuery(`drop index ${indexName}`);
+  },
+
+  unique(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, columns);
+    this.pushQuery(
+      `alter table ${this.tableName()} add constraint ${indexName}` +
+        ' unique (' +
+        this.formatter.columnize(columns) +
+        ')'
+    );
+  },
+
+  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_Oracle;

node_modules/knex/lib/dialects/oracle/schema/trigger.js

@@ -0,0 +1,126 @@
+const utils = require('../utils');
+
+const trigger = {
+  renameColumnTrigger: function(logger, tableName, columnName, to) {
+    const triggerName = utils.generateCombinedName(
+      logger,
+      'autoinc_trg',
+      tableName
+    );
+    const sequenceName = utils.generateCombinedName(logger, 'seq', tableName);
+    return (
+      `DECLARE ` +
+      `PK_NAME VARCHAR(200); ` +
+      `IS_AUTOINC NUMBER := 0; ` +
+      `BEGIN` +
+      `  EXECUTE IMMEDIATE ('ALTER TABLE "${tableName}" RENAME COLUMN "${columnName}" TO "${to}"');` +
+      `  SELECT COUNT(*) INTO IS_AUTOINC from "USER_TRIGGERS" where trigger_name = '${triggerName}';` +
+      `  IF (IS_AUTOINC > 0) THEN` +
+      `    SELECT cols.column_name INTO PK_NAME` +
+      `    FROM all_constraints cons, all_cons_columns cols` +
+      `    WHERE cons.constraint_type = 'P'` +
+      `    AND cons.constraint_name = cols.constraint_name` +
+      `    AND cons.owner = cols.owner` +
+      `    AND cols.table_name = '${tableName}';` +
+      `    IF ('${to}' = PK_NAME) THEN` +
+      `      EXECUTE IMMEDIATE ('DROP TRIGGER "${triggerName}"');` +
+      `      EXECUTE IMMEDIATE ('create or replace trigger "${triggerName}"` +
+      `      BEFORE INSERT on "${tableName}" for each row` +
+      `        declare` +
+      `        checking number := 1;` +
+      `        begin` +
+      `          if (:new."${to}" is null) then` +
+      `            while checking >= 1 loop` +
+      `              select "${sequenceName}".nextval into :new."${to}" from dual;` +
+      `              select count("${to}") into checking from "${tableName}"` +
+      `              where "${to}" = :new."${to}";` +
+      `            end loop;` +
+      `          end if;` +
+      `        end;');` +
+      `    end if;` +
+      `  end if;` +
+      `END;`
+    );
+  },
+
+  createAutoIncrementTrigger: function(logger, tableName) {
+    const triggerName = utils.generateCombinedName(
+      logger,
+      'autoinc_trg',
+      tableName
+    );
+    const sequenceName = utils.generateCombinedName(logger, 'seq', tableName);
+    return (
+      `DECLARE ` +
+      `PK_NAME VARCHAR(200); ` +
+      `BEGIN` +
+      `  EXECUTE IMMEDIATE ('CREATE SEQUENCE "${sequenceName}"');` +
+      `  SELECT cols.column_name INTO PK_NAME` +
+      `  FROM all_constraints cons, all_cons_columns cols` +
+      `  WHERE cons.constraint_type = 'P'` +
+      `  AND cons.constraint_name = cols.constraint_name` +
+      `  AND cons.owner = cols.owner` +
+      `  AND cols.table_name = '${tableName}';` +
+      `  execute immediate ('create or replace trigger "${triggerName}"` +
+      `  BEFORE INSERT on "${tableName}"` +
+      `  for each row` +
+      `  declare` +
+      `  checking number := 1;` +
+      `  begin` +
+      `    if (:new."' || PK_NAME || '" is null) then` +
+      `      while checking >= 1 loop` +
+      `        select "${sequenceName}".nextval into :new."' || PK_NAME || '" from dual;` +
+      `        select count("' || PK_NAME || '") into checking from "${tableName}"` +
+      `        where "' || PK_NAME || '" = :new."' || PK_NAME || '";` +
+      `      end loop;` +
+      `    end if;` +
+      `  end;'); ` +
+      `END;`
+    );
+  },
+
+  renameTableAndAutoIncrementTrigger: function(logger, tableName, to) {
+    const triggerName = utils.generateCombinedName(
+      logger,
+      'autoinc_trg',
+      tableName
+    );
+    const sequenceName = utils.generateCombinedName(logger, 'seq', tableName);
+    const toTriggerName = utils.generateCombinedName(logger, 'autoinc_trg', to);
+    const toSequenceName = utils.generateCombinedName(logger, 'seq', to);
+    return (
+      `DECLARE ` +
+      `PK_NAME VARCHAR(200); ` +
+      `IS_AUTOINC NUMBER := 0; ` +
+      `BEGIN` +
+      `  EXECUTE IMMEDIATE ('RENAME "${tableName}" TO "${to}"');` +
+      `  SELECT COUNT(*) INTO IS_AUTOINC from "USER_TRIGGERS" where trigger_name = '${triggerName}';` +
+      `  IF (IS_AUTOINC > 0) THEN` +
+      `    EXECUTE IMMEDIATE ('DROP TRIGGER "${triggerName}"');` +
+      `    EXECUTE IMMEDIATE ('RENAME "${sequenceName}" TO "${toSequenceName}"');` +
+      `    SELECT cols.column_name INTO PK_NAME` +
+      `    FROM all_constraints cons, all_cons_columns cols` +
+      `    WHERE cons.constraint_type = 'P'` +
+      `    AND cons.constraint_name = cols.constraint_name` +
+      `    AND cons.owner = cols.owner` +
+      `    AND cols.table_name = '${to}';` +
+      `    EXECUTE IMMEDIATE ('create or replace trigger "${toTriggerName}"` +
+      `    BEFORE INSERT on "${to}" for each row` +
+      `      declare` +
+      `      checking number := 1;` +
+      `      begin` +
+      `        if (:new."' || PK_NAME || '" is null) then` +
+      `          while checking >= 1 loop` +
+      `            select "${toSequenceName}".nextval into :new."' || PK_NAME || '" from dual;` +
+      `            select count("' || PK_NAME || '") into checking from "${to}"` +
+      `            where "' || PK_NAME || '" = :new."' || PK_NAME || '";` +
+      `          end loop;` +
+      `        end if;` +
+      `      end;');` +
+      `  end if;` +
+      `END;`
+    );
+  },
+};
+
+module.exports = trigger;