wehub-resource-sync
62 lines
2.1 KiB
Go
62 lines
2.1 KiB
Go
// Copyright 2024 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package functions
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import (
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/doltgresql/server/functions/framework"
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pgtypes "github.com/dolthub/doltgresql/server/types"
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)
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// initRpad registers the functions to the catalog.
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func initRpad() {
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framework.RegisterFunction(rpad_text_int32)
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framework.RegisterFunction(rpad_text_int32_text)
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}
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// rpad_text_int32 represents the PostgreSQL function of the same name, taking the same parameters.
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var rpad_text_int32 = framework.Function2{
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Name: "rpad",
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Return: pgtypes.Text,
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Parameters: [2]*pgtypes.DoltgresType{pgtypes.Text, pgtypes.Int32},
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Strict: true,
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Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
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var unusedTypes [4]*pgtypes.DoltgresType
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return rpad_text_int32_text.Callable(ctx, unusedTypes, val1, val2, " ")
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},
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}
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// rpad_text_int32_text represents the PostgreSQL function of the same name, taking the same parameters.
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var rpad_text_int32_text = framework.Function3{
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Name: "rpad",
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Return: pgtypes.Text,
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Parameters: [3]*pgtypes.DoltgresType{pgtypes.Text, pgtypes.Int32, pgtypes.Text},
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Strict: true,
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Callable: func(ctx *sql.Context, _ [4]*pgtypes.DoltgresType, str any, length any, fill any) (any, error) {
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if length.(int32) <= 0 {
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return "", nil
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}
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runes := []rune(str.(string))
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fillRunes := []rune(fill.(string))
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if len(fillRunes) > 0 {
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for int32(len(runes)) < length.(int32) {
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runes = append(runes, fillRunes...)
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}
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}
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return string(runes[:length.(int32)]), nil
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},
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}
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