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pull/6753/head
Gokhan Gulbiz 2023-03-23 10:20:50 +03:00
parent 852db8f2f9
commit 3d9f40d22a
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GPG Key ID: 608EF06B6BD1B45B
1 changed files with 30 additions and 28 deletions
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58
src/backend/distributed/utils/attribute.c
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@ -611,42 +611,43 @@ MultiTenantMonitorshmemSize(void)
static char *
ExtractTopComment(const char *inputString)
{
int commentCharsLength = 2;
int inputStringLen = strlen(inputString);
if (inputStringLen < commentCharsLength)
{
return NULL;
}
int commentCharsLength = 2;
int inputStringLen = strlen(inputString);
if (inputStringLen < commentCharsLength)
{
return NULL;
}
const char *commentStartChars = "/*";
const char *commentEndChars = "*/";
const char *commentStartChars = "/*";
const char *commentEndChars = "*/";
/* If query doesn't start with a comment, return NULL */
if (strstr(inputString, commentStartChars) != inputString)
{
return NULL;
}
/* If query doesn't start with a comment, return NULL */
if (strstr(inputString, commentStartChars) != inputString)
{
return NULL;
}
StringInfo commentData = makeStringInfo();
StringInfo commentData = makeStringInfo();
/* Skip the comment start characters */
const char *commentStart = inputString + commentCharsLength;
/* Skip the comment start characters */
const char *commentStart = inputString + commentCharsLength;
/* Find the first comment end character */
const char *commentEnd = strstr(commentStart, commentEndChars);
if (commentEnd == NULL)
{
return NULL;
}
/* Find the first comment end character */
const char *commentEnd = strstr(commentStart, commentEndChars);
if (commentEnd == NULL)
{
return NULL;
}
/* Append the comment to the StringInfo buffer */
int commentLength = commentEnd - commentStart;
appendStringInfo(commentData, "%.*s", commentLength, commentStart);
/* Append the comment to the StringInfo buffer */
int commentLength = commentEnd - commentStart;
appendStringInfo(commentData, "%.*s", commentLength, commentStart);
/* Return the extracted comment */
return commentData->data;
/* Return the extracted comment */
return commentData->data;
}
/* EscapeCommentChars adds a backslash before each occurrence of '*' or '/' in the input string */
static char *
EscapeCommentChars(const char *str)
@ -663,11 +664,12 @@ EscapeCommentChars(const char *str)
}
appendStringInfoChar(escapedString, str[originalStringIndex]);
}
}
return escapedString->data;
}
/* UnescapeCommentChars removes the backslash that precedes '*' or '/' in the input string. */
static char *
UnescapeCommentChars(const char *str)