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97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
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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 orm
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import (
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"fmt"
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"strings"
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)
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// oracle operators.
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var oracleOperators = map[string]string{
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"exact": "= ?",
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"gt": "> ?",
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"gte": ">= ?",
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"lt": "< ?",
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"lte": "<= ?",
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"//iendswith": "LIKE ?",
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}
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// oracle column field types.
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var oracleTypes = map[string]string{
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"pk": "NOT NULL PRIMARY KEY",
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"bool": "bool",
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"string": "VARCHAR2(%d)",
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"string-text": "VARCHAR2(%d)",
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"time.Time-date": "DATE",
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"time.Time": "TIMESTAMP",
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"int8": "INTEGER",
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"int16": "INTEGER",
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"int32": "INTEGER",
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"int64": "INTEGER",
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"uint8": "INTEGER",
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"uint16": "INTEGER",
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"uint32": "INTEGER",
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"uint64": "INTEGER",
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"float64": "NUMBER",
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"float64-decimal": "NUMBER(%d, %d)",
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}
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// oracle dbBaser
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type dbBaseOracle struct {
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dbBase
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}
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var _ dbBaser = new(dbBaseOracle)
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// create oracle dbBaser.
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func newdbBaseOracle() dbBaser {
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b := new(dbBaseOracle)
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b.ins = b
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return b
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}
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// OperatorSQL get oracle operator.
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func (d *dbBaseOracle) OperatorSQL(operator string) string {
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return oracleOperators[operator]
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}
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// DbTypes get oracle table field types.
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func (d *dbBaseOracle) DbTypes() map[string]string {
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return oracleTypes
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}
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//ShowTablesQuery show all the tables in database
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func (d *dbBaseOracle) ShowTablesQuery() string {
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return "SELECT TABLE_NAME FROM USER_TABLES"
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}
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// Oracle
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func (d *dbBaseOracle) ShowColumnsQuery(table string) string {
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return fmt.Sprintf("SELECT COLUMN_NAME FROM ALL_TAB_COLUMNS "+
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"WHERE TABLE_NAME ='%s'", strings.ToUpper(table))
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}
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// check index is exist
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func (d *dbBaseOracle) IndexExists(db dbQuerier, table string, name string) bool {
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row := db.QueryRow("SELECT COUNT(*) FROM USER_IND_COLUMNS, USER_INDEXES "+
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"WHERE USER_IND_COLUMNS.INDEX_NAME = USER_INDEXES.INDEX_NAME "+
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"AND USER_IND_COLUMNS.TABLE_NAME = ? AND USER_IND_COLUMNS.INDEX_NAME = ?", strings.ToUpper(table), strings.ToUpper(name))
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var cnt int
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row.Scan(&cnt)
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return cnt > 0
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}
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