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Fix output of char node fields

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WRITE_CHAR_FIELD() didn't do any escaping, so that for example a zero
byte would cause the whole output string to be truncated.  To fix, pass
the char through outToken(), so it is escaped like a string.  Adjust the
reading side to handle this.
This commit is contained in:
Peter Eisentraut
2017-06-21 22:57:23 -04:00
parent 5191e357cf
commit d80e73f229
2 changed files with 21 additions and 2 deletions
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3
src/backend/nodes/readfuncs.c
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@ -86,7 +86,8 @@
#define READ_CHAR_FIELD(fldname) \
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = token[0]
/* avoid overhead of calling debackslash() for one char */ \
local_node->fldname = (length == 0) ? '\0' : (token[0] == '\\' ? token[1] : token[0])
/* Read an enumerated-type field that was written as an integer code */
#define READ_ENUM_FIELD(fldname, enumtype) \