github.com/matrixorigin/matrixone@v1.2.0/pkg/sql/parsers/util/util.go (about)

     1  // Copyright 2021 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package util
    16  
    17  import (
    18  	"fmt"
    19  	"strings"
    20  )
    21  
    22  //func GetUint64(num interface{}) uint64 {
    23  //	switch v := num.(type) {
    24  //	case int64:
    25  //		return uint64(v)
    26  //	case uint64:
    27  //		return v
    28  //	}
    29  //	return 0
    30  //}
    31  
    32  func GetInt64(num interface{}) (int64, string) {
    33  	switch v := num.(type) {
    34  	case int64:
    35  		return v, ""
    36  	}
    37  	return -1, fmt.Sprintf("%d is out of range int64", num)
    38  }
    39  
    40  func DealCommentString(str string) string {
    41  	buf := new(strings.Builder)
    42  	for _, ch := range str {
    43  		if ch == '\'' {
    44  			buf.WriteRune('\'')
    45  		}
    46  		buf.WriteRune(ch)
    47  	}
    48  	return buf.String()
    49  }