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MySQL refactor.

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This commit is contained in:
go-jet 2019-08-11 12:13:59 +02:00
parent 8519ccbdd0
commit 4fbf576370
36 changed files with 1080 additions and 270 deletions
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38
internal/jet/sql_builder.go
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@ -24,16 +24,26 @@ func (s *SqlBuilder) DebugSQL() string {
const defaultIdent = 5
func (q *SqlBuilder) increaseIdent() {
q.ident += defaultIdent
func (q *SqlBuilder) increaseIdent(ident ...int) {
if len(ident) > 0 {
q.ident += ident[0]
} else {
q.ident += defaultIdent
}
}
func (q *SqlBuilder) decreaseIdent() {
if q.ident < defaultIdent {
func (q *SqlBuilder) decreaseIdent(ident ...int) {
toDecrease := defaultIdent
if len(ident) > 0 {
toDecrease = ident[0]
}
if q.ident < toDecrease {
q.ident = 0
}
q.ident -= defaultIdent
q.ident -= toDecrease
}
func (q *SqlBuilder) writeProjections(statement StatementType, projections []Projection) error {
@ -44,7 +54,7 @@ func (q *SqlBuilder) writeProjections(statement StatementType, projections []Pro
}
func (q *SqlBuilder) writeFrom(statement StatementType, table Serializer) error {
q.newLine()
q.NewLine()
q.WriteString("FROM")
q.increaseIdent()
@ -55,7 +65,7 @@ func (q *SqlBuilder) writeFrom(statement StatementType, table Serializer) error
}
func (q *SqlBuilder) writeWhere(statement StatementType, where Expression) error {
q.newLine()
q.NewLine()
q.WriteString("WHERE")
q.increaseIdent()
@ -66,7 +76,7 @@ func (q *SqlBuilder) writeWhere(statement StatementType, where Expression) error
}
func (q *SqlBuilder) writeGroupBy(statement StatementType, groupBy []GroupByClause) error {
q.newLine()
q.NewLine()
q.WriteString("GROUP BY")
q.increaseIdent()
@ -77,7 +87,7 @@ func (q *SqlBuilder) writeGroupBy(statement StatementType, groupBy []GroupByClau
}
func (q *SqlBuilder) writeOrderBy(statement StatementType, orderBy []OrderByClause) error {
q.newLine()
q.NewLine()
q.WriteString("ORDER BY")
q.increaseIdent()
@ -88,7 +98,7 @@ func (q *SqlBuilder) writeOrderBy(statement StatementType, orderBy []OrderByClau
}
func (q *SqlBuilder) writeHaving(statement StatementType, having Expression) error {
q.newLine()
q.NewLine()
q.WriteString("HAVING")
q.increaseIdent()
@ -103,18 +113,14 @@ func (q *SqlBuilder) WriteReturning(statement StatementType, returning []Project
return nil
}
if !q.Dialect.SupportsReturning() {
panic("jet: " + q.Dialect.Name() + " dialect does not support RETURNING.")
}
q.newLine()
q.NewLine()
q.WriteString("RETURNING")
q.increaseIdent()
return q.writeProjections(statement, returning)
}
func (q *SqlBuilder) newLine() {
func (q *SqlBuilder) NewLine() {
q.write([]byte{'\n'})
q.write(bytes.Repeat([]byte{' '}, q.ident))
}