chore: import upstream snapshot with attribution
This commit is contained in:
wehub-resource-sync
@@ -0,0 +1,225 @@
|
||||
// Copyright 2024 Dolthub, Inc.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package binary
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/dolthub/go-mysql-server/sql"
|
||||
gmstypes "github.com/dolthub/go-mysql-server/sql/types"
|
||||
|
||||
"github.com/dolthub/doltgresql/server/functions/framework"
|
||||
pgtypes "github.com/dolthub/doltgresql/server/types"
|
||||
)
|
||||
|
||||
// These functions can be gathered using the following query from a Postgres 15 instance:
|
||||
// SELECT * FROM pg_operator o WHERE o.oprname = '||' ORDER BY o.oprcode::varchar;
|
||||
|
||||
// initBinaryConcatenate registers the functions to the catalog.
|
||||
func initBinaryConcatenate() {
|
||||
framework.RegisterBinaryFunction(framework.Operator_BinaryConcatenate, anytextcat)
|
||||
framework.RegisterBinaryFunction(framework.Operator_BinaryConcatenate, array_append)
|
||||
framework.RegisterBinaryFunction(framework.Operator_BinaryConcatenate, array_cat)
|
||||
framework.RegisterBinaryFunction(framework.Operator_BinaryConcatenate, array_prepend)
|
||||
framework.RegisterBinaryFunction(framework.Operator_BinaryConcatenate, byteacat)
|
||||
framework.RegisterBinaryFunction(framework.Operator_BinaryConcatenate, jsonb_concat)
|
||||
framework.RegisterBinaryFunction(framework.Operator_BinaryConcatenate, textanycat)
|
||||
framework.RegisterBinaryFunction(framework.Operator_BinaryConcatenate, textcat)
|
||||
// TODO: bitcat, tsquery_or, tsvector_concat
|
||||
}
|
||||
|
||||
// anytextcat_callable is the callable logic for the anytextcat function.
|
||||
func anytextcat_callable(ctx *sql.Context, paramsAndReturn [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
|
||||
valType := paramsAndReturn[0]
|
||||
val1String, err := valType.IoOutput(ctx, val1)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return val1String + val2.(string), nil
|
||||
}
|
||||
|
||||
// anytextcat represents the PostgreSQL function of the same name, taking the same parameters.
|
||||
var anytextcat = framework.Function2{
|
||||
Name: "anytextcat",
|
||||
Return: pgtypes.Text,
|
||||
Parameters: [2]*pgtypes.DoltgresType{pgtypes.AnyNonArray, pgtypes.Text},
|
||||
Strict: true,
|
||||
Callable: anytextcat_callable,
|
||||
}
|
||||
|
||||
// array_append represents the PostgreSQL function of the same name, taking the same parameters.
|
||||
var array_append = framework.Function2{
|
||||
Name: "array_append",
|
||||
Return: pgtypes.AnyArray, // TODO: should be anycompatiblearray
|
||||
Parameters: [2]*pgtypes.DoltgresType{pgtypes.AnyArray, pgtypes.AnyElement}, // TODO: should be anycompatiblearray, anycompatible
|
||||
Strict: false,
|
||||
Callable: func(ctx *sql.Context, paramsAndReturn [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
|
||||
if val1 == nil {
|
||||
return []any{val2}, nil
|
||||
}
|
||||
array := val1.([]any)
|
||||
returnArray := make([]any, len(array)+1)
|
||||
copy(returnArray, array)
|
||||
returnArray[len(returnArray)-1] = val2
|
||||
return returnArray, nil
|
||||
},
|
||||
}
|
||||
|
||||
// array_cat represents the PostgreSQL function of the same name, taking the same parameters.
|
||||
var array_cat = framework.Function2{
|
||||
Name: "array_cat",
|
||||
Return: pgtypes.AnyArray, // TODO: should be anycompatiblearray
|
||||
Parameters: [2]*pgtypes.DoltgresType{pgtypes.AnyArray, pgtypes.AnyArray}, // TODO: should be anycompatiblearray, anycompatiblearray
|
||||
Strict: false,
|
||||
Callable: func(ctx *sql.Context, paramsAndReturn [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
|
||||
if val1 == nil && val2 == nil {
|
||||
return nil, nil
|
||||
} else if val1 == nil {
|
||||
return val2, nil
|
||||
} else if val2 == nil {
|
||||
return val1, nil
|
||||
}
|
||||
|
||||
array1 := val1.([]any)
|
||||
array2 := val2.([]any)
|
||||
|
||||
// Concatenate the arrays
|
||||
result := make([]any, len(array1)+len(array2))
|
||||
copy(result, array1)
|
||||
copy(result[len(array1):], array2)
|
||||
|
||||
return result, nil
|
||||
},
|
||||
}
|
||||
|
||||
// array_prepend represents the PostgreSQL function of the same name, taking the same parameters.
|
||||
var array_prepend = framework.Function2{
|
||||
Name: "array_prepend",
|
||||
Return: pgtypes.AnyArray, // TODO: should be anycompatiblearray
|
||||
Parameters: [2]*pgtypes.DoltgresType{pgtypes.AnyElement, pgtypes.AnyArray}, // TODO: should be anycompatible, anycompatiblearray
|
||||
Strict: false,
|
||||
Callable: func(ctx *sql.Context, paramsAndReturn [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
|
||||
if val2 == nil {
|
||||
return []any{val1}, nil
|
||||
}
|
||||
return append([]any{val1}, val2.([]any)...), nil
|
||||
},
|
||||
}
|
||||
|
||||
// byteacat_callable is the callable logic for the byteacat function.
|
||||
func byteacat_callable(ctx *sql.Context, paramsAndReturn [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
|
||||
v1 := val1.([]byte)
|
||||
v2 := val2.([]byte)
|
||||
copied := make([]byte, len(v1)+len(v2))
|
||||
copy(copied, v1)
|
||||
copy(copied[len(v1):], v2)
|
||||
return copied, nil
|
||||
}
|
||||
|
||||
// byteacat represents the PostgreSQL function of the same name, taking the same parameters.
|
||||
var byteacat = framework.Function2{
|
||||
Name: "byteacat",
|
||||
Return: pgtypes.Bytea,
|
||||
Parameters: [2]*pgtypes.DoltgresType{pgtypes.Bytea, pgtypes.Bytea},
|
||||
Strict: true,
|
||||
Callable: byteacat_callable,
|
||||
}
|
||||
|
||||
// jsonb_concat_callable is the callable logic for the jsonb_concat function.
|
||||
func jsonb_concat_callable(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1Interface any, val2Interface any) (any, error) {
|
||||
// TODO: for two IndexedJsonDocuments, we could get much faster results on large documents by merging the underlying
|
||||
// JSON trees instead of loading them into memory. This would require a new method on sql.MutableJSON
|
||||
wrapper1, ok1 := val1Interface.(sql.JSONWrapper)
|
||||
wrapper2, ok2 := val2Interface.(sql.JSONWrapper)
|
||||
if !ok1 || !ok2 {
|
||||
return nil, fmt.Errorf("jsonb_concat: unexpected types %T, %T", val1Interface, val2Interface)
|
||||
}
|
||||
v1, err := wrapper1.ToInterface(ctx)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
v2, err := wrapper2.ToInterface(ctx)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
// Merge objects if both are objects
|
||||
obj1, isObj1 := v1.(map[string]interface{})
|
||||
obj2, isObj2 := v2.(map[string]interface{})
|
||||
if isObj1 && isObj2 {
|
||||
newObj := make(map[string]interface{}, len(obj1)+len(obj2))
|
||||
for k, v := range obj1 {
|
||||
newObj[k] = v
|
||||
}
|
||||
for k, v := range obj2 {
|
||||
newObj[k] = v
|
||||
}
|
||||
return gmstypes.JSONDocument{Val: newObj}, nil
|
||||
}
|
||||
// Not both objects: wrap non-arrays in single-element arrays and concatenate
|
||||
arr1, isArr1 := v1.([]interface{})
|
||||
arr2, isArr2 := v2.([]interface{})
|
||||
if !isArr1 {
|
||||
arr1 = []interface{}{v1}
|
||||
}
|
||||
if !isArr2 {
|
||||
arr2 = []interface{}{v2}
|
||||
}
|
||||
newArray := make([]interface{}, len(arr1)+len(arr2))
|
||||
copy(newArray, arr1)
|
||||
copy(newArray[len(arr1):], arr2)
|
||||
return gmstypes.JSONDocument{Val: newArray}, nil
|
||||
}
|
||||
|
||||
// jsonb_concat represents the PostgreSQL function of the same name, taking the same parameters.
|
||||
var jsonb_concat = framework.Function2{
|
||||
Name: "jsonb_concat",
|
||||
Return: pgtypes.JsonB,
|
||||
Parameters: [2]*pgtypes.DoltgresType{pgtypes.JsonB, pgtypes.JsonB},
|
||||
Strict: true,
|
||||
Callable: jsonb_concat_callable,
|
||||
}
|
||||
|
||||
// textanycat_callable is the callable logic for the textanycat function.
|
||||
func textanycat_callable(ctx *sql.Context, paramsAndReturn [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
|
||||
valType := paramsAndReturn[1]
|
||||
val2String, err := valType.IoOutput(ctx, val2)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return val1.(string) + val2String, nil
|
||||
}
|
||||
|
||||
// textanycat represents the PostgreSQL function of the same name, taking the same parameters.
|
||||
var textanycat = framework.Function2{
|
||||
Name: "textanycat",
|
||||
Return: pgtypes.Text,
|
||||
Parameters: [2]*pgtypes.DoltgresType{pgtypes.Text, pgtypes.AnyNonArray},
|
||||
Strict: true,
|
||||
Callable: textanycat_callable,
|
||||
}
|
||||
|
||||
// textcat_callable is the callable logic for the textcat function.
|
||||
func textcat_callable(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
|
||||
return val1.(string) + val2.(string), nil
|
||||
}
|
||||
|
||||
// textcat represents the PostgreSQL function of the same name, taking the same parameters.
|
||||
var textcat = framework.Function2{
|
||||
Name: "textcat",
|
||||
Return: pgtypes.Text,
|
||||
Parameters: [2]*pgtypes.DoltgresType{pgtypes.Text, pgtypes.Text},
|
||||
Strict: true,
|
||||
Callable: textcat_callable,
|
||||
}
|
||||
Reference in New Issue
Block a user