118 lines
2.4 KiB
Go
118 lines
2.4 KiB
Go
// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sql
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func (p *Parser) parseDefineIndexStatement() (*DefineIndexStatement, error) {
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stmt := &DefineIndexStatement{}
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var err error
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// Parse index name
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if stmt.Index, err = p.parseIdent(); err != nil {
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return nil, err
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}
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// Next token should be ON
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if _, _, err = p.shouldBe(ON); err != nil {
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return nil, err
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}
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// Parse table name
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if stmt.Table, err = p.parseTable(); err != nil {
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return nil, err
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}
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// Next token should be COLUMNS
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if _, _, err = p.shouldBe(COLUMNS); err != nil {
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return nil, err
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}
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// Parse columns
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if stmt.Fields, err = p.parseFields(); err != nil {
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return nil, err
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}
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// Parse unique
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_, _, stmt.Unique = p.mightBe(UNIQUE)
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// Next token should be EOF
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if _, _, err = p.shouldBe(EOF, SEMICOLON); err != nil {
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return nil, err
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}
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return stmt, nil
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}
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func (p *Parser) parseResyncIndexStatement() (*ResyncIndexStatement, error) {
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stmt := &ResyncIndexStatement{}
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var err error
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// Parse index name
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if stmt.Index, err = p.parseIdent(); err != nil {
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return nil, err
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}
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// Next token should be ON
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if _, _, err = p.shouldBe(ON); err != nil {
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return nil, err
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}
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// Parse table name
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if stmt.Table, err = p.parseTable(); err != nil {
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return nil, err
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}
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// Next token should be EOF
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if _, _, err = p.shouldBe(EOF, SEMICOLON); err != nil {
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return nil, err
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}
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return stmt, nil
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}
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func (p *Parser) parseRemoveIndexStatement() (*RemoveIndexStatement, error) {
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stmt := &RemoveIndexStatement{}
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var err error
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// Parse index name
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if stmt.Index, err = p.parseIdent(); err != nil {
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return nil, err
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}
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// Next token should be ON
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if _, _, err = p.shouldBe(ON); err != nil {
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return nil, err
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}
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// Parse table name
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if stmt.Table, err = p.parseTable(); err != nil {
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return nil, err
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}
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// Next token should be EOF
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if _, _, err = p.shouldBe(EOF, SEMICOLON); err != nil {
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return nil, err
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}
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return stmt, nil
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}
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