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PATH: usr / local / lib / node_modules / knex-migrator / node_modules / knex / src / schema

import { pushQuery, pushAdditional, unshiftQuery } from './helpers';

import { assign, isUndefined } from 'lodash';

// The "SchemaCompiler" takes all of the query statements which have been
// gathered in the "SchemaBuilder" and turns them into an array of
// properly formatted / bound query strings.
function SchemaCompiler(client, builder) {
  this.builder = builder;
  this._commonBuilder = this.builder;
  this.client = client;
  this.schema = builder._schema;
  this.formatter = client.formatter(builder);
  this.sequence = [];
}

assign(SchemaCompiler.prototype, {
  pushQuery: pushQuery,

pushAdditional: pushAdditional,

unshiftQuery: unshiftQuery,

createTable: buildTable('create'),

createTableIfNotExists: buildTable('createIfNot'),

alterTable: buildTable('alter'),

dropTablePrefix: 'drop table ',

dropTable(tableName) {
    this.pushQuery(
      this.dropTablePrefix +
        this.formatter.wrap(prefixedTableName(this.schema, tableName))
    );
  },

dropTableIfExists(tableName) {
    this.pushQuery(
      this.dropTablePrefix +
        'if exists ' +
        this.formatter.wrap(prefixedTableName(this.schema, tableName))
    );
  },

raw(sql, bindings) {
    this.sequence.push(this.client.raw(sql, bindings).toSQL());
  },

toSQL() {
    const sequence = this.builder._sequence;
    for (let i = 0, l = sequence.length; i < l; i++) {
      const query = sequence[i];
      this[query.method].apply(this, query.args);
    }
    return this.sequence;
  },
});

function buildTable(type) {
  return function(tableName, fn) {
    const builder = this.client.tableBuilder(type, tableName, fn);

// pass queryContext down to tableBuilder but do not overwrite it if already set
    const queryContext = this.builder.queryContext();
    if (!isUndefined(queryContext) && isUndefined(builder.queryContext())) {
      builder.queryContext(queryContext);
    }

builder.setSchema(this.schema);
    const sql = builder.toSQL();

for (let i = 0, l = sql.length; i < l; i++) {
      this.sequence.push(sql[i]);
    }
  };
}

function prefixedTableName(prefix, table) {
  return prefix ? `${prefix}.${table}` : table;
}

export default SchemaCompiler;

[-] helpers.js [edit]
[+] ..
[-] tablecompiler.js [edit]
[-] columncompiler.js [edit]
[-] tablebuilder.js [edit]
[-] columnbuilder.js [edit]
[-] compiler.js [edit]
[-] builder.js [edit]