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Support for raw sql input.

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This commit is contained in:
zer0sub 2019-06-04 12:10:23 +02:00
parent 384c0c67f5
commit 8f51662fe5
31 changed files with 307 additions and 279 deletions
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52
sqlbuilder/select_statement.go
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@ -6,43 +6,43 @@ import (
"github.com/sub0zero/go-sqlbuilder/sqlbuilder/execution"
)
type selectStatement interface {
type SelectStatement interface {
Statement
expression
Expression
hasRows()
DISTINCT() selectStatement
FROM(table readableTable) selectStatement
WHERE(expression BoolExpression) selectStatement
GROUP_BY(groupByClauses ...groupByClause) selectStatement
HAVING(boolExpression BoolExpression) selectStatement
ORDER_BY(orderByClauses ...orderByClause) selectStatement
DISTINCT() SelectStatement
FROM(table ReadableTable) SelectStatement
WHERE(expression BoolExpression) SelectStatement
GROUP_BY(groupByClauses ...groupByClause) SelectStatement
HAVING(boolExpression BoolExpression) SelectStatement
ORDER_BY(orderByClauses ...OrderByClause) SelectStatement
LIMIT(limit int64) selectStatement
OFFSET(offset int64) selectStatement
LIMIT(limit int64) SelectStatement
OFFSET(offset int64) SelectStatement
FOR_UPDATE() selectStatement
FOR_UPDATE() SelectStatement
AsTable(alias string) expressionTable
}
func SELECT(projection ...projection) selectStatement {
func SELECT(projection ...projection) SelectStatement {
return newSelectStatement(nil, projection)
}
// NOTE: selectStatement purposely does not implement the Table interface since
// NOTE: SelectStatement purposely does not implement the Table interface since
// mysql's subquery performance is horrible.
type selectStatementImpl struct {
expressionInterfaceImpl
isRowsType
table readableTable
table ReadableTable
distinct bool
projections []projection
where BoolExpression
groupBy []groupByClause
having BoolExpression
orderBy []orderByClause
orderBy []OrderByClause
limit, offset int64
@ -65,7 +65,7 @@ func defaultProjectionAliasing(projections []projection) []projection {
return aliasedProjections
}
func newSelectStatement(table readableTable, projections []projection) selectStatement {
func newSelectStatement(table ReadableTable, projections []projection) SelectStatement {
newSelect := &selectStatementImpl{
table: table,
projections: defaultProjectionAliasing(projections),
@ -80,7 +80,7 @@ func newSelectStatement(table readableTable, projections []projection) selectSta
return newSelect
}
func (s *selectStatementImpl) FROM(table readableTable) selectStatement {
func (s *selectStatementImpl) FROM(table ReadableTable) SelectStatement {
s.table = table
return s
}
@ -211,44 +211,44 @@ func (s *selectStatementImpl) AsTable(alias string) expressionTable {
}
}
func (s *selectStatementImpl) WHERE(expression BoolExpression) selectStatement {
func (s *selectStatementImpl) WHERE(expression BoolExpression) SelectStatement {
s.where = expression
return s
}
func (s *selectStatementImpl) GROUP_BY(groupByClauses ...groupByClause) selectStatement {
func (s *selectStatementImpl) GROUP_BY(groupByClauses ...groupByClause) SelectStatement {
s.groupBy = groupByClauses
return s
}
func (s *selectStatementImpl) HAVING(expression BoolExpression) selectStatement {
func (s *selectStatementImpl) HAVING(expression BoolExpression) SelectStatement {
s.having = expression
return s
}
func (s *selectStatementImpl) ORDER_BY(clauses ...orderByClause) selectStatement {
func (s *selectStatementImpl) ORDER_BY(clauses ...OrderByClause) SelectStatement {
s.orderBy = clauses
return s
}
func (s *selectStatementImpl) OFFSET(offset int64) selectStatement {
func (s *selectStatementImpl) OFFSET(offset int64) SelectStatement {
s.offset = offset
return s
}
func (s *selectStatementImpl) LIMIT(limit int64) selectStatement {
func (s *selectStatementImpl) LIMIT(limit int64) SelectStatement {
s.limit = limit
return s
}
func (s *selectStatementImpl) DISTINCT() selectStatement {
func (s *selectStatementImpl) DISTINCT() SelectStatement {
s.distinct = true
return s
}
func (s *selectStatementImpl) FOR_UPDATE() selectStatement {
func (s *selectStatementImpl) FOR_UPDATE() SelectStatement {
s.forUpdate = true
return s
}
@ -261,6 +261,6 @@ func (s *selectStatementImpl) Execute(db execution.Db) (res sql.Result, err erro
return Execute(s, db)
}
func NumExp(expression expression) FloatExpression {
func NumExp(expression Expression) FloatExpression {
return newFloatExpressionWrap(expression)
}