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Add support for Update statements.

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This commit is contained in:
zer0sub 2019-04-14 17:55:10 +02:00
parent b287521f1a
commit 70d6f84375
12 changed files with 422 additions and 286 deletions
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113
sqlbuilder/update_statement_test.go Normal file
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@ -0,0 +1,113 @@
package sqlbuilder
import (
"fmt"
"gotest.tools/assert"
"testing"
)
//
// UPDATE statement tests =====================================================
//
func TestUpdate(t *testing.T) {
stmt := table1.UPDATE(table1Col1, table1Col2).
SET(table1.SELECT(table1Col2)).
WHERE(table1Col1.EqL(2))
stmtStr, err := stmt.String()
assert.NilError(t, err)
fmt.Println(stmtStr)
}
//func (s *StmtSuite) TestUpdateNilColumn(c *gc.C) {
// stmt := table1.UPDATE().SET(nil, Literal(1))
// _, err := stmt.String()
// c.Assert(err, gc.NotNil)
//}
//
//func (s *StmtSuite) TestUpdateNilExpr(c *gc.C) {
// stmt := table1.UPDATE().SET(table1Col1, nil)
// _, err := stmt.String()
// c.Assert(err, gc.NotNil)
//}
//
//func (s *StmtSuite) TestUpdateUnconditionally(c *gc.C) {
// stmt := table1.UPDATE().SET(table1Col1, Literal(1))
// _, err := stmt.String()
// c.Assert(err, gc.NotNil)
//}
//
//func (s *StmtSuite) TestUpdateSingleValue(c *gc.C) {
// stmt := table1.UPDATE().SET(table1Col1, Literal(1))
// stmt.WHERE(EqL(table1Col2, 2))
// sql, err := stmt.String()
// c.Assert(err, gc.IsNil)
//
// c.Assert(
// sql,
// gc.Equals,
// "UPDATE db.table1 SET table1.col1=1 WHERE table1.col2=2")
//}
//
//func (s *StmtSuite) TestUpdateUsingDeferredLookupColumns(c *gc.C) {
// stmt := table1.UPDATE().SET(table1.C("col1"), Literal(1))
// stmt.WHERE(EqL(table1Col2, 2))
// sql, err := stmt.String()
// c.Assert(err, gc.IsNil)
//
// c.Assert(
// sql,
// gc.Equals,
// "UPDATE db.table1 SET table1.col1=1 WHERE table1.col2=2")
//}
//
//func (s *StmtSuite) TestUpdateMultiValues(c *gc.C) {
// stmt := table1.UPDATE()
// stmt.SET(table1Col1, Literal(1))
// stmt.SET(table1Col2, Literal(2))
// stmt.WHERE(EqL(table1Col2, 3))
// sql, err := stmt.String()
// c.Assert(err, gc.IsNil)
//
// c.Assert(
// sql,
// gc.Equals,
// "UPDATE db.table1 "+
// "SET table1.col1=1, table1.col2=2 "+
// "WHERE table1.col2=3")
//}
//
//func (s *StmtSuite) TestUpdateWithOrderBy(c *gc.C) {
// stmt := table1.UPDATE().SET(table1Col1, Literal(1))
// stmt.WHERE(EqL(table1Col2, 2))
// stmt.OrderBy(table1Col2)
// sql, err := stmt.String()
// c.Assert(err, gc.IsNil)
//
// c.Assert(
// sql,
// gc.Equals,
// "UPDATE db.table1 "+
// "SET table1.col1=1 "+
// "WHERE table1.col2=2 "+
// "ORDER BY table1.col2")
//}
//
//func (s *StmtSuite) TestUpdateWithLimit(c *gc.C) {
// stmt := table1.UPDATE().SET(table1Col1, Literal(1))
// stmt.WHERE(EqL(table1Col2, 2))
// stmt.Limit(5)
// sql, err := stmt.String()
// c.Assert(err, gc.IsNil)
//
// c.Assert(
// sql,
// gc.Equals,
// "UPDATE db.table1 "+
// "SET table1.col1=1 "+
// "WHERE table1.col2=2 "+
// "LIMIT 5")
//}