init - add project files

tools/jet-2.12.0/postgres/columns.go

@@ -0,0 +1,140 @@
+package postgres
+
+import (
+	"github.com/go-jet/jet/v2/internal/jet"
+)
+
+// Column is common column interface for all types of columns.
+type Column = jet.ColumnExpression
+
+// ColumnList function returns list of columns that be used as projection or column list for UPDATE and INSERT statement.
+type ColumnList = jet.ColumnList
+
+// ColumnBool is interface for SQL boolean columns.
+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
+
+// StringColumn creates named string column.
+var StringColumn = jet.StringColumn
+
+// ColumnInteger is interface for SQL smallint, integer, bigint columns.
+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
+
+// FloatColumn creates named float column.
+var FloatColumn = jet.FloatColumn
+
+// ColumnDate is interface of SQL date columns.
+type ColumnDate = jet.ColumnDate
+
+// DateColumn creates named date column.
+var DateColumn = jet.DateColumn
+
+// ColumnTime is interface for SQL time column.
+type ColumnTime = jet.ColumnTime
+
+// TimeColumn creates named time column
+var TimeColumn = jet.TimeColumn
+
+// ColumnTimez is interface of SQL time with time zone columns.
+type ColumnTimez = jet.ColumnTimez
+
+// TimezColumn creates named time with time zone column.
+var TimezColumn = jet.TimezColumn
+
+// ColumnTimestamp is interface of SQL timestamp columns.
+type ColumnTimestamp = jet.ColumnTimestamp
+
+// TimestampColumn creates named timestamp column
+var TimestampColumn = jet.TimestampColumn
+
+// ColumnTimestampz is interface of SQL timestamp with timezone columns.
+type ColumnTimestampz = jet.ColumnTimestampz
+
+// TimestampzColumn creates named timestamp with time zone column.
+var TimestampzColumn = jet.TimestampzColumn
+
+// ColumnDateRange is interface of SQL date range column
+type ColumnDateRange = jet.ColumnRange[DateExpression]
+
+// DateRangeColumn creates named range with range column
+var DateRangeColumn = jet.RangeColumn[DateExpression]
+
+// ColumnNumericRange is interface of SQL numeric range column
+type ColumnNumericRange = jet.ColumnRange[NumericExpression]
+
+// NumericRangeColumn creates named range with range column
+var NumericRangeColumn = jet.RangeColumn[NumericExpression]
+
+// ColumnTimestampRange is interface of SQL timestamp range column
+type ColumnTimestampRange = jet.ColumnRange[TimestampExpression]
+
+// TimestampRangeColumn creates named range with range column
+var TimestampRangeColumn = jet.RangeColumn[TimestampExpression]
+
+// ColumnTimestampzRange is interface of SQL timestamp range column
+type ColumnTimestampzRange = jet.ColumnRange[TimestampzExpression]
+
+// TimestampzRangeColumn creates named range with range column
+var TimestampzRangeColumn = jet.RangeColumn[TimestampzExpression]
+
+// ColumnInt4Range is interface of SQL int4 range column
+type ColumnInt4Range jet.ColumnRange[jet.Int4Expression]
+
+// Int4RangeColumn creates named range with range column
+var Int4RangeColumn = jet.RangeColumn[jet.Int4Expression]
+
+// ColumnInt8Range is interface of SQL int8 range column
+type ColumnInt8Range jet.ColumnRange[jet.Int8Expression]
+
+// Int8RangeColumn creates named range with range column
+var Int8RangeColumn = jet.RangeColumn[jet.Int8Expression]
+
+//------------------------------------------------------//
+
+// ColumnInterval is interface of PostgreSQL interval columns.
+type ColumnInterval interface {
+	IntervalExpression
+	jet.Column
+
+	From(subQuery SelectTable) ColumnInterval
+	SET(intervalExp IntervalExpression) ColumnAssigment
+}
+
+//------------------------------------------------------//
+
+type intervalColumnImpl struct {
+	jet.ColumnExpressionImpl
+	intervalInterfaceImpl
+}
+
+func (i *intervalColumnImpl) SET(intervalExp IntervalExpression) ColumnAssigment {
+	return jet.NewColumnAssignment(i, intervalExp)
+}
+
+func (i *intervalColumnImpl) From(subQuery SelectTable) ColumnInterval {
+	newIntervalColumn := IntervalColumn(i.Name())
+	jet.SetTableName(newIntervalColumn, i.TableName())
+	jet.SetSubQuery(newIntervalColumn, subQuery)
+
+	return newIntervalColumn
+}
+
+// IntervalColumn creates named interval column.
+func IntervalColumn(name string) ColumnInterval {
+	intervalColumn := &intervalColumnImpl{}
+	intervalColumn.ColumnExpressionImpl = jet.NewColumnImpl(name, "", intervalColumn)
+	intervalColumn.intervalInterfaceImpl.parent = intervalColumn
+	return intervalColumn
+}