Adding support for InterSystems Cache (and IRIS)

This commit is contained in:
Miroslav Stampar
2020-02-25 12:36:07 +01:00
parent 5c82f30fd8
commit 7ff77ef052
23 changed files with 459 additions and 36 deletions

View File

@@ -660,7 +660,7 @@ class Agent(object):
elif fieldsNoSelect:
concatenatedQuery = "CONCAT('%s',%s,'%s')" % (kb.chars.start, concatenatedQuery, kb.chars.stop)
elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.ORACLE, DBMS.SQLITE, DBMS.DB2, DBMS.FIREBIRD, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.DERBY, DBMS.VERTICA, DBMS.MCKOI, DBMS.PRESTO, DBMS.ALTIBASE, DBMS.MIMERSQL, DBMS.CRATEDB, DBMS.CUBRID):
elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.ORACLE, DBMS.SQLITE, DBMS.DB2, DBMS.FIREBIRD, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.DERBY, DBMS.VERTICA, DBMS.MCKOI, DBMS.PRESTO, DBMS.ALTIBASE, DBMS.MIMERSQL, DBMS.CRATEDB, DBMS.CUBRID, DBMS.CACHE):
if fieldsExists:
concatenatedQuery = concatenatedQuery.replace("SELECT ", "'%s'||" % kb.chars.start, 1)
concatenatedQuery += "||'%s'" % kb.chars.stop
@@ -1011,6 +1011,15 @@ class Agent(object):
if match:
orderBy = " ORDER BY %s" % match.group(1)
elif Backend.isDbms(DBMS.CACHE):
match = re.search(r"ORDER BY ([^ ]+)\Z", limitedQuery)
if match:
limitedQuery = re.sub(r"\s*%s\s*" % re.escape(match.group(0)), " ", limitedQuery).strip()
orderBy = " %s" % match.group(0)
field = match.group(1)
limitedQuery = queries[Backend.getIdentifiedDbms()].limit.query % (1, field, limitedQuery, num)
elif Backend.isDbms(DBMS.FIREBIRD):
limitStr = queries[Backend.getIdentifiedDbms()].limit.query % (num + 1, num + 1)
limitedQuery += " %s" % limitStr