Implement oid type

server/ast/resolvable_type_reference.go

@@ -109,6 +109,8 @@ func nodeResolvableTypeReference(typ tree.ResolvableTypeReference) (*vitess.Conv
 						Scale:     columnType.Scale(),
 					}
 				}
+			case oid.T_oid:
+				resolvedType = pgtypes.Oid
 			case oid.T_text:
 				resolvedType = pgtypes.Text
 			case oid.T_time:

server/cast/bool.go

@@ -67,6 +67,17 @@ func boolExplicit() {
 			return handleCharExplicitCast(str, targetType)
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Bool,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			if val.(bool) {
+				return uint32(1), nil
+			} else {
+				return uint32(0), nil
+			}
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Bool,
 		ToType:   pgtypes.Text,

server/cast/char.go

@@ -146,6 +146,20 @@ func charExplicit() {
 			return d, nil
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.BpChar,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			out, err := strconv.ParseInt(strings.TrimSpace(val.(string)), 10, 64)
+			if err != nil {
+				return nil, fmt.Errorf("invalid input syntax for type %s: %q", targetType.String(), val.(string))
+			}
+			if out > pgtypes.MaxUint32 {
+				return nil, fmt.Errorf("value %q is out of range for type %s", val.(string), targetType.String())
+			}
+			return uint32(out), nil
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.BpChar,
 		ToType:   pgtypes.Text,
@@ -286,6 +300,20 @@ func charImplicit() {
 			return d, nil
 		},
 	})
+	framework.MustAddImplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.BpChar,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			out, err := strconv.ParseInt(strings.TrimSpace(val.(string)), 10, 64)
+			if err != nil {
+				return nil, fmt.Errorf("invalid input syntax for type %s: %q", targetType.String(), val.(string))
+			}
+			if out > pgtypes.MaxUint32 {
+				return nil, fmt.Errorf("value %q is out of range for type %s", val.(string), targetType.String())
+			}
+			return uint32(out), nil
+		},
+	})
 	framework.MustAddImplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.BpChar,
 		ToType:   pgtypes.Text,

server/cast/float32.go

@@ -103,6 +103,13 @@ func float32Explicit() {
 			return decimal.NewFromFloat(float64(val.(float32))), nil
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Float32,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, valInterface any, targetType pgtypes.DoltgresType) (any, error) {
+			return nil, errCannotCast.New(pgtypes.Float32.String(), targetType.String())
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Float32,
 		ToType:   pgtypes.Text,
@@ -192,6 +199,13 @@ func float32Implicit() {
 			return decimal.NewFromFloat(float64(val.(float32))), nil
 		},
 	})
+	framework.MustAddImplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Float32,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, valInterface any, targetType pgtypes.DoltgresType) (any, error) {
+			return nil, errCannotCast.New(pgtypes.Float32.String(), targetType.String())
+		},
+	})
 	framework.MustAddImplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Float32,
 		ToType:   pgtypes.Text,

server/cast/float64.go

@@ -103,6 +103,13 @@ func float64Explicit() {
 			return decimal.NewFromFloat(val.(float64)), nil
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Float64,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, valInterface any, targetType pgtypes.DoltgresType) (any, error) {
+			return nil, errCannotCast.New(pgtypes.Float64.String(), targetType.String())
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Float64,
 		ToType:   pgtypes.Text,
@@ -192,6 +199,13 @@ func float64Implicit() {
 			return decimal.NewFromFloat(val.(float64)), nil
 		},
 	})
+	framework.MustAddImplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Float64,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, valInterface any, targetType pgtypes.DoltgresType) (any, error) {
+			return nil, errCannotCast.New(pgtypes.Float64.String(), targetType.String())
+		},
+	})
 	framework.MustAddImplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Float64,
 		ToType:   pgtypes.Text,

server/cast/init.go

@@ -26,6 +26,7 @@ func Init() {
 	initInt64()
 	initName()
 	initNumeric()
+	initOid()
 	initText()
 	initUuid()
 	initVarChar()

server/cast/int16.go

@@ -89,6 +89,13 @@ func int16Explicit() {
 			return decimal.NewFromInt(int64(val.(int16))), nil
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Int16,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			return uint32(val.(int16)), nil
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Int16,
 		ToType:   pgtypes.Text,
@@ -166,6 +173,13 @@ func int16Implicit() {
 			return decimal.NewFromInt(int64(val.(int16))), nil
 		},
 	})
+	framework.MustAddImplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Int16,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			return uint32(val.(int16)), nil
+		},
+	})
 	framework.MustAddImplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Int16,
 		ToType:   pgtypes.Text,

server/cast/int32.go

@@ -93,6 +93,13 @@ func int32Explicit() {
 			return decimal.NewFromInt(int64(val.(int32))), nil
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Int32,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			return uint32(val.(int32)), nil
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Int32,
 		ToType:   pgtypes.Text,
@@ -173,6 +180,13 @@ func int32Implicit() {
 			return decimal.NewFromInt(int64(val.(int32))), nil
 		},
 	})
+	framework.MustAddImplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Int32,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			return uint32(val.(int32)), nil
+		},
+	})
 	framework.MustAddImplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Int32,
 		ToType:   pgtypes.Text,

server/cast/int64.go

@@ -96,6 +96,16 @@ func int64Explicit() {
 			return decimal.NewFromInt(val.(int64)), nil
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Int64,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			if val.(int64) > pgtypes.MaxUint32 {
+				return nil, errOutOfRange.New(targetType.String())
+			}
+			return uint32(val.(int64)), nil
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Int64,
 		ToType:   pgtypes.Text,
@@ -179,6 +189,16 @@ func int64Implicit() {
 			return decimal.NewFromInt(val.(int64)), nil
 		},
 	})
+	framework.MustAddImplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Int64,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			if val.(int64) > pgtypes.MaxUint32 {
+				return nil, errOutOfRange.New(targetType.String())
+			}
+			return uint32(val.(int64)), nil
+		},
+	})
 	framework.MustAddImplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Int64,
 		ToType:   pgtypes.Text,

server/cast/name.go

@@ -146,6 +146,20 @@ func nameExplicit() {
 			return d, nil
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Name,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			out, err := strconv.ParseInt(strings.TrimSpace(val.(string)), 10, 64)
+			if err != nil {
+				return nil, fmt.Errorf("invalid input syntax for type %s: %q", targetType.String(), val.(string))
+			}
+			if out > pgtypes.MaxUint32 {
+				return nil, fmt.Errorf("value %q is out of range for type %s", val.(string), targetType.String())
+			}
+			return uint32(out), nil
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Name,
 		ToType:   pgtypes.Text,
@@ -286,6 +300,20 @@ func nameImplicit() {
 			return d, nil
 		},
 	})
+	framework.MustAddImplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Name,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			out, err := strconv.ParseInt(strings.TrimSpace(val.(string)), 10, 64)
+			if err != nil {
+				return nil, fmt.Errorf("invalid input syntax for type %s: %q", targetType.String(), val.(string))
+			}
+			if out > pgtypes.MaxUint32 {
+				return nil, fmt.Errorf("value %q is out of range for type %s", val.(string), targetType.String())
+			}
+			return uint32(out), nil
+		},
+	})
 	framework.MustAddImplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Name,
 		ToType:   pgtypes.Text,

server/cast/numeric.go

@@ -101,6 +101,13 @@ func numericExplicit() {
 			return val, nil
 		},
 	})
+	framework.MustAddExplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Numeric,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			return nil, errCannotCast.New(pgtypes.Numeric.String(), targetType.String())
+		},
+	})
 	framework.MustAddExplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Numeric,
 		ToType:   pgtypes.Text,
@@ -189,6 +196,13 @@ func numericImplicit() {
 			return val, nil
 		},
 	})
+	framework.MustAddImplicitTypeCast(framework.TypeCast{
+		FromType: pgtypes.Numeric,
+		ToType:   pgtypes.Oid,
+		Function: func(ctx framework.Context, val any, targetType pgtypes.DoltgresType) (any, error) {
+			return nil, errCannotCast.New(pgtypes.Numeric.String(), targetType.String())
+		},
+	})
 	framework.MustAddImplicitTypeCast(framework.TypeCast{
 		FromType: pgtypes.Numeric,
 		ToType:   pgtypes.Text,