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Added support for identifiers in double quotes [#CLICKHOUSE-20].

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This commit is contained in:
Alexey Milovidov 2017-06-24 04:49:15 +03:00
parent b333c6b47a
commit 30b6c36b83
3 changed files with 9 additions and 3 deletions
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10
dbms/src/Parsers/ExpressionElementParsers.cpp
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@ -137,12 +137,16 @@ bool ParserIdentifier::parseImpl(Pos & pos, Pos end, ASTPtr & node, Pos & max_pa
{
Pos begin = pos;
/// Identifier in backquotes
if (pos != end && *pos == '`')
/// Identifier in backquotes or in double quotes
if (pos != end && (*pos == '`' || *pos == '"'))
{
ReadBufferFromMemory buf(pos, end - pos);
String s;
readBackQuotedString(s, buf);
if (*pos == '`')
readBackQuotedString(s, buf);
else
readDoubleQuotedString(s, buf);
if (s.empty()) /// Identifiers "empty string" are not allowed.
return false;

1
dbms/tests/queries/0_stateless/00470_identifiers_in_double_quotes.reference Normal file
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@ -0,0 +1 @@
0

1
dbms/tests/queries/0_stateless/00470_identifiers_in_double_quotes.sql Normal file
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@ -0,0 +1 @@
SELECT "numbers"."number" FROM "system"."numbers" LIMIT 1;