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Table interface cleanup.

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This commit is contained in:
zer0sub 2019-06-05 17:15:20 +02:00
parent 8f51662fe5
commit 4d7fbf8f49
32 changed files with 543 additions and 794 deletions
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13
sqlbuilder/set_statement.go
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@ -2,7 +2,7 @@ package sqlbuilder
import (
"database/sql"
"github.com/dropbox/godropbox/errors"
"errors"
"github.com/sub0zero/go-sqlbuilder/sqlbuilder/execution"
)
@ -92,15 +92,12 @@ func (us *setStatementImpl) OFFSET(offset int64) SetStatement {
}
func (us *setStatementImpl) AsTable(alias string) expressionTable {
return &expressionTableImpl{
statement: us,
alias: alias,
}
return newExpressionTable(us.parent, alias)
}
func (s *setStatementImpl) serialize(statement statementType, out *queryData, options ...serializeOption) error {
if s == nil {
return errors.New("Set statement is nil. ")
return errors.New("Set expression is nil. ")
}
if s.orderBy != nil || s.limit >= 0 || s.offset >= 0 {
@ -125,11 +122,11 @@ func (s *setStatementImpl) serialize(statement statementType, out *queryData, op
func (s *setStatementImpl) serializeImpl(out *queryData) error {
if s == nil {
return errors.New("Set statement is nil. ")
return errors.New("Set expression is nil. ")
}
if len(s.selects) < 2 {
return errors.Newf("UNION Statement must have at least two SELECT statements.")
return errors.New("UNION Statement must have at least two SELECT statements.")
}
out.nextLine()