swc/crates/swc_bundler/tests/.cache/untrusted/ea16ec5dfbfc6beb49a1dfdd2cb929aea46de31d.ts
2021-11-09 20:42:49 +09:00

160 lines
5.2 KiB
TypeScript

// Loaded from https://raw.githubusercontent.com/denjucks/dex/master/lib/dialects/sqlite3/schema/tablecompiler.js
import inherits from '../../../deps/inherits@2.0.4/inherits.js';
import TableCompiler from '../../../schema/tablecompiler.js';
import _ from '../../../deps/lodash@4.17.15/index.js';
const filter = _.filter;
const values = _.values;
// Table Compiler
// -------
function TableCompiler_SQLite3() {
TableCompiler.apply(this, arguments);
this.primaryKey = void 0;
}
inherits(TableCompiler_SQLite3, TableCompiler);
// Create a new table.
TableCompiler_SQLite3.prototype.createQuery = function (columns, ifNot) {
const createStatement = ifNot
? 'create table if not exists '
: 'create table ';
let sql = createStatement + this.tableName() + ' (' + columns.sql.join(', ');
// SQLite forces primary keys to be added when the table is initially created
// so we will need to check for a primary key commands and add the columns
// to the table's declaration here so they can be created on the tables.
sql += this.foreignKeys() || '';
sql += this.primaryKeys() || '';
sql += ')';
this.pushQuery(sql);
};
TableCompiler_SQLite3.prototype.addColumns = function (columns, prefix) {
if (prefix) {
throw new Error('Sqlite does not support alter column.');
}
for (let i = 0, l = columns.sql.length; i < l; i++) {
this.pushQuery({
sql: `alter table ${this.tableName()} add column ${columns.sql[i]}`,
bindings: columns.bindings[i],
});
}
};
// Compile a drop unique key command.
TableCompiler_SQLite3.prototype.dropUnique = function (columns, indexName) {
indexName = indexName
? this.formatter.wrap(indexName)
: this._indexCommand('unique', this.tableNameRaw, columns);
this.pushQuery(`drop index ${indexName}`);
};
TableCompiler_SQLite3.prototype.dropIndex = function (columns, indexName) {
indexName = indexName
? this.formatter.wrap(indexName)
: this._indexCommand('index', this.tableNameRaw, columns);
this.pushQuery(`drop index ${indexName}`);
};
// Compile a unique key command.
TableCompiler_SQLite3.prototype.unique = function (columns, indexName) {
indexName = indexName
? this.formatter.wrap(indexName)
: this._indexCommand('unique', this.tableNameRaw, columns);
columns = this.formatter.columnize(columns);
this.pushQuery(
`create unique index ${indexName} on ${this.tableName()} (${columns})`
);
};
// Compile a plain index key command.
TableCompiler_SQLite3.prototype.index = function (columns, indexName) {
indexName = indexName
? this.formatter.wrap(indexName)
: this._indexCommand('index', this.tableNameRaw, columns);
columns = this.formatter.columnize(columns);
this.pushQuery(
`create index ${indexName} on ${this.tableName()} (${columns})`
);
};
TableCompiler_SQLite3.prototype.primary = TableCompiler_SQLite3.prototype.foreign = function () {
if (this.method !== 'create' && this.method !== 'createIfNot') {
this.client.logger.warn(
'SQLite3 Foreign & Primary keys may only be added on create'
);
}
};
TableCompiler_SQLite3.prototype.primaryKeys = function () {
const pks = filter(this.grouped.alterTable || [], { method: 'primary' });
if (pks.length > 0 && pks[0].args.length > 0) {
const columns = pks[0].args[0];
let constraintName = pks[0].args[1] || '';
if (constraintName) {
constraintName = ' constraint ' + this.formatter.wrap(constraintName);
}
return `,${constraintName} primary key (${this.formatter.columnize(
columns
)})`;
}
};
TableCompiler_SQLite3.prototype.foreignKeys = function () {
let sql = '';
const foreignKeys = filter(this.grouped.alterTable || [], {
method: 'foreign',
});
for (let i = 0, l = foreignKeys.length; i < l; i++) {
const foreign = foreignKeys[i].args[0];
const column = this.formatter.columnize(foreign.column);
const references = this.formatter.columnize(foreign.references);
const foreignTable = this.formatter.wrap(foreign.inTable);
let constraintName = foreign.keyName || '';
if (constraintName) {
constraintName = ' constraint ' + this.formatter.wrap(constraintName);
}
sql += `,${constraintName} foreign key(${column}) references ${foreignTable}(${references})`;
if (foreign.onDelete) sql += ` on delete ${foreign.onDelete}`;
if (foreign.onUpdate) sql += ` on update ${foreign.onUpdate}`;
}
return sql;
};
TableCompiler_SQLite3.prototype.createTableBlock = function () {
return this.getColumns().concat().join(',');
};
// Compile a rename column command... very complex in sqlite
TableCompiler_SQLite3.prototype.renameColumn = function (from, to) {
const compiler = this;
this.pushQuery({
sql: `PRAGMA table_info(${this.tableName()})`,
output(pragma) {
return compiler.client
.ddl(compiler, pragma, this.connection)
.renameColumn(from, to);
},
});
};
TableCompiler_SQLite3.prototype.dropColumn = function () {
const compiler = this;
const columns = values(arguments);
this.pushQuery({
sql: `PRAGMA table_info(${this.tableName()})`,
output(pragma) {
return compiler.client
.ddl(compiler, pragma, this.connection)
.dropColumn(columns);
},
});
};
export default TableCompiler_SQLite3;