Use type aliasing to forward types from internal/jet.

mysql/columns.go

@@ -3,59 +3,59 @@ package mysql
 import "github.com/go-jet/jet/internal/jet"
 
 // Column is common column interface for all types of columns.
-type Column jet.ColumnExpression
+type Column = jet.ColumnExpression
 
 // IColumnList is used to store list of columns for later reuse as projection or column list for UPDATE and INSERT statement.
-type IColumnList jet.IColumnList
+type IColumnList = jet.IColumnList
 
 // ColumnList function returns list of columns that be used as projection or column list for UPDATE and INSERT statement.
 var ColumnList = jet.ColumnList
 
 // ColumnBool is interface for SQL boolean columns.
-type ColumnBool jet.ColumnBool
+type ColumnBool = jet.ColumnBool
 
 // BoolColumn creates named bool column.
 var BoolColumn = jet.BoolColumn
 
 // ColumnString is interface for SQL text, character, character varying
 // bytea, uuid columns and enums types.
-type ColumnString jet.ColumnString
+type ColumnString = jet.ColumnString
 
 // StringColumn creates named string column.
 var StringColumn = jet.StringColumn
 
 // ColumnInteger is interface for SQL smallint, integer, bigint columns.
-type ColumnInteger jet.ColumnInteger
+type ColumnInteger = jet.ColumnInteger
 
 // IntegerColumn creates named integer column.
 var IntegerColumn = jet.IntegerColumn
 
 // ColumnFloat is interface for SQL real, numeric, decimal or double precision column.
-type ColumnFloat jet.ColumnFloat
+type ColumnFloat = jet.ColumnFloat
 
 // FloatColumn creates named float column.
 var FloatColumn = jet.FloatColumn
 
 // ColumnTime is interface for SQL time column.
-type ColumnTime jet.ColumnTime
+type ColumnTime = jet.ColumnTime
 
 // TimeColumn creates named time column
 var TimeColumn = jet.TimeColumn
 
 // ColumnDate is interface of SQL date columns.
-type ColumnDate jet.ColumnDate
+type ColumnDate = jet.ColumnDate
 
 // DateColumn creates named date column.
 var DateColumn = jet.DateColumn
 
 // ColumnDateTime is interface of SQL timestamp columns.
-type ColumnDateTime jet.ColumnTimestamp
+type ColumnDateTime = jet.ColumnTimestamp
 
 // DateTimeColumn creates named timestamp column
 var DateTimeColumn = jet.TimestampColumn
 
 // ColumnTimestamp is interface of SQL timestamp columns.
-type ColumnTimestamp jet.ColumnTimestamp
+type ColumnTimestamp = jet.ColumnTimestamp
 
 // TimestampColumn creates named timestamp column
 var TimestampColumn = jet.TimestampColumn

mysql/expressions.go

@@ -4,31 +4,31 @@ import "github.com/go-jet/jet/internal/jet"
 
 // Expression is common interface for all expressions.
 // Can be Bool, Int, Float, String, Date, Time, Timez, Timestamp or Timestampz expressions.
-type Expression jet.Expression
+type Expression = jet.Expression
 
 // BoolExpression interface
-type BoolExpression jet.BoolExpression
+type BoolExpression = jet.BoolExpression
 
 // StringExpression interface
-type StringExpression jet.StringExpression
+type StringExpression = jet.StringExpression
 
 // IntegerExpression interface
-type IntegerExpression jet.IntegerExpression
+type IntegerExpression = jet.IntegerExpression
 
 // FloatExpression interface
-type FloatExpression jet.FloatExpression
+type FloatExpression = jet.FloatExpression
 
 // TimeExpression interface
-type TimeExpression jet.TimeExpression
+type TimeExpression = jet.TimeExpression
 
 // DateExpression interface
-type DateExpression jet.DateExpression
+type DateExpression = jet.DateExpression
 
 // DateTimeExpression interface
-type DateTimeExpression jet.TimestampExpression
+type DateTimeExpression = jet.TimestampExpression
 
 // TimestampExpression interface
-type TimestampExpression jet.TimestampExpression
+type TimestampExpression = jet.TimestampExpression
 
 // BoolExp is bool expression wrapper around arbitrary expression.
 // Allows go compiler to see any expression as bool expression.

mysql/select_statement.go

@@ -69,7 +69,7 @@ func newSelectStatement(table ReadableTable, projections []Projection) SelectSta
 		&newSelect.From, &newSelect.Where, &newSelect.GroupBy, &newSelect.Having, &newSelect.Window, &newSelect.OrderBy,
 		&newSelect.Limit, &newSelect.Offset, &newSelect.For, &newSelect.ShareLock)
 
-	newSelect.Select.Projections = toJetProjectionList(projections)
+	newSelect.Select.Projections = projections
 	newSelect.From.Table = table
 	newSelect.Limit.Count = -1
 	newSelect.Offset.Count = -1

mysql/types.go

@@ -3,17 +3,7 @@ package mysql
 import "github.com/go-jet/jet/internal/jet"
 
 // Statement is common interface for all statements(SELECT, INSERT, UPDATE, DELETE, LOCK)
-type Statement jet.Statement
+type Statement = jet.Statement
 
 // Projection is interface for all projection types. Types that can be part of, for instance SELECT clause.
-type Projection jet.Projection
-
-func toJetProjectionList(projections []Projection) []jet.Projection {
-	ret := []jet.Projection{}
-
-	for _, projection := range projections {
-		ret = append(ret, projection)
-	}
-
-	return ret
-}
+type Projection = jet.Projection