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[MySQL] Optimizer hints

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go-jet 2022-09-29 13:33:00 +02:00
parent c9967d151e
commit f772f90336
12 changed files with 207 additions and 27 deletions
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15
mysql/delete_statement.go
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@ -6,6 +6,8 @@ import "github.com/go-jet/jet/v2/internal/jet"
type DeleteStatement interface {
Statement
OPTIMIZER_HINTS(hints ...OptimizerHint) DeleteStatement
USING(tables ...ReadableTable) DeleteStatement
WHERE(expression BoolExpression) DeleteStatement
ORDER_BY(orderByClauses ...OrderByClause) DeleteStatement
@ -15,7 +17,7 @@ type DeleteStatement interface {
type deleteStatementImpl struct {
jet.SerializerStatement
Delete jet.ClauseStatementBegin
Delete jet.ClauseDelete
Using jet.ClauseFrom
Where jet.ClauseWhere
OrderBy jet.ClauseOrderBy
@ -29,17 +31,22 @@ func newDeleteStatement(table Table) DeleteStatement {
&newDelete.Using,
&newDelete.Where,
&newDelete.OrderBy,
&newDelete.Limit)
&newDelete.Limit,
)
newDelete.Delete.Name = "DELETE FROM"
newDelete.Delete.Table = table
newDelete.Using.Name = "USING"
newDelete.Delete.Tables = append(newDelete.Delete.Tables, table)
newDelete.Where.Mandatory = true
newDelete.Limit.Count = -1
return newDelete
}
func (d *deleteStatementImpl) OPTIMIZER_HINTS(hints ...OptimizerHint) DeleteStatement {
d.Delete.OptimizerHints = hints
return d
}
func (d *deleteStatementImpl) USING(tables ...ReadableTable) DeleteStatement {
d.Using.Tables = readableTablesToSerializerList(tables)
return d