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Merge pull request #1030 from LinuxJedi/MCOL-3764

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MCOL-3764 Fix RENAME TABLE
This commit is contained in:
David.Hall
2020-02-06 09:32:26 -06:00
committed by Patrick LeBlanc
parent d6ef3cad3d
commit bfe3ab14c0
2 changed files with 27 additions and 62 deletions
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2
dbcon/ddlpackage/ddl.l
View File

@ -70,7 +70,7 @@ self [,()\[\].;\:\+\-\*\/\%\^\<\>\=]
whitespace ({space}+|{comment})
digit [0-9]
ident_start [A-Za-z\200-\377_0-9]
ident_start [A-Za-z\200-\377_0-9#]
ident_cont [A-Za-z\200-\377_0-9\$]
identifier {ident_start}{ident_cont}*
extended_identifier {ident_start}{extended_ident_cont}*

83
dbcon/mysql/ha_mcs_ddl.cpp
View File

@ -390,32 +390,6 @@ bool validateNextValue( int type, int64_t value )
return validValue;
}
static void decode_objectname(char *buf, const char *path, size_t buf_size)
{
size_t new_path_len = filename_to_tablename(path, buf, buf_size);
buf[new_path_len] = '\0';
}
static void decode_file_path(const char *path, char *decoded_dbname,
char *decoded_tbname)
{
// The format cont ains './' in the beginning of a path.
char *dbname_start = (char*) path + 2;
char *dbname_end = dbname_start;
while (*dbname_end != '/')
dbname_end++;
int cnt = dbname_end - dbname_start;
char *dbname = (char *)my_alloca(cnt + 1);
memcpy(dbname, dbname_start, cnt);
dbname[cnt] = '\0';
decode_objectname(decoded_dbname, dbname, FN_REFLEN);
my_afree(dbname);
char *tbname_start = dbname_end + 1;
decode_objectname(decoded_tbname, tbname_start, FN_REFLEN);
}
bool anyRowInTable(string& schema, string& tableName, int sessionID)
{
//find a column in the table
@ -914,18 +888,6 @@ int ProcessDDLStatement(string& ddlStatement, string& schema, const string& tabl
{
CreateTableStatement* createTable = dynamic_cast <CreateTableStatement*> ( &stmt );
//@Bug 5767. To handle key words inside `` for a tablename.
if (!(boost::iequals(schema, createTable->fTableDef->fQualifiedName->fSchema)) || !(boost::iequals(table, createTable->fTableDef->fQualifiedName->fName)))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CREATE_DATATYPE_NOT_SUPPORT)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
bool matchedCol = false;
bool isFirstTimestamp = true;
@ -2634,22 +2596,28 @@ int ha_mcs_impl_rename_table_(const char* from, const char* to, cal_connection_i
THD* thd = current_thd;
string emsg;
string dbFrom, tblFrom, dbTo, tblTo;
char decodedDbFrom[FN_REFLEN];
char decodedTblFrom[FN_REFLEN];
char decodedDbTo[FN_REFLEN];
char decodedTblTo[FN_REFLEN];
decode_file_path(from, decodedDbFrom, decodedTblFrom);
decode_file_path(to, decodedDbTo, decodedTblTo);
string stmt;
string tblFrom (from+2);
size_t pos = tblFrom.find("/");
std::string dbFrom = tblFrom.substr(0, pos);
tblFrom = tblFrom.erase(0, pos + 1);
// This case is already handled
if (thd->lex->create_info.used_fields & HA_CREATE_USED_ENGINE)
return 0;
string tblTo (to+2);
pos = tblTo.find("/");
std::string dbTo = tblTo.substr(0, pos);
tblTo = tblTo.erase(0, pos + 1);
string stmt;
if (thd->slave_thread && !get_replication_slave(thd))
return 0;
// This is a temporary table rename, we don't use the temporary table name
// so this is a NULL op
if (tblFrom.compare(0, 4, "#sql") == 0)
{
return 0;
}
//@bug 5660. Error out REAL DDL/DML on slave node.
// When the statement gets here, it's NOT SSO or RESTRICT
if (ci.isSlaveNode)
@ -2659,24 +2627,21 @@ int ha_mcs_impl_rename_table_(const char* from, const char* to, cal_connection_i
return 1;
}
// User moves tables b/w namespaces.
size_t tblFromLength= strlen(decodedTblFrom);
if (!memcmp(decodedTblFrom, decodedTblTo, tblFromLength))
{
return 0;
}
stmt.assign("alter table `");
stmt.append(decodedTblFrom);
stmt.append(dbFrom);
stmt.append("`.`");
stmt.append(tblFrom);
stmt.append("` rename to `");
stmt.append(decodedTblTo);
stmt.append(dbTo);
stmt.append("`.`");
stmt.append(tblTo);
stmt.append("`;");
string db;
if (thd->db.length)
db = thd->db.str;
else
db.assign(decodedDbFrom);
db.assign(dbFrom);
int rc = ProcessDDLStatement(stmt, db, "", tid2sid(thd->thread_id), emsg);