94 lines
1.9 KiB
Go
94 lines
1.9 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) parseDefineFieldStatement() (stmt *DefineFieldStatement, err error) {
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stmt = &DefineFieldStatement{}
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if stmt.Name, err = p.parseIdiom(); err != nil {
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return nil, err
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}
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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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if stmt.What, err = p.parseTables(); err != nil {
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return nil, err
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}
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for {
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tok, _, exi := p.mightBe(TYPE, VALUE, ASSERT, PRIORITY, PERMISSIONS)
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if !exi {
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break
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}
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if is(tok, TYPE) {
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if stmt.Type, stmt.Kind, err = p.parseType(); err != nil {
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return nil, err
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}
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}
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if is(tok, VALUE) {
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if stmt.Value, err = p.parseExpr(); err != nil {
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return nil, err
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}
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}
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if is(tok, ASSERT) {
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if stmt.Assert, err = p.parseExpr(); err != nil {
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return nil, err
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}
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}
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if is(tok, PRIORITY) {
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if stmt.Priority, err = p.parsePriority(); err != nil {
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return nil, err
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}
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}
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if is(tok, PERMISSIONS) {
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if stmt.Perms, err = p.parsePerms(); err != nil {
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return nil, err
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}
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}
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}
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return
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}
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func (p *parser) parseRemoveFieldStatement() (stmt *RemoveFieldStatement, err error) {
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stmt = &RemoveFieldStatement{}
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if stmt.Name, err = p.parseIdiom(); err != nil {
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return nil, err
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}
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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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if stmt.What, err = p.parseTables(); err != nil {
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return nil, err
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}
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return
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}
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