Do not convert standard TRIM function to non-standard functions

issue#1787: Non-standard MERGE throws LOCK_TIMEOUT_1

because it reports it's data columns when I call getColumns(), which is not strictly true, I need the key columns

#1740 log OOM to console

the match-index-to-key logic was wrong when there are more key columns than index columns

improve database not found error

Quote identifiers in persisted SQL unconditionally

so we can distinguish between the situations where a database doesn't exist, but should, and the situation where we could auto-create a database, but can't because of security

Improve isSimpleIdentifier() and enquoteIdentifier()

Improve DATABASE_TO_LOWER handling

Fix NPE in TableFilter.createIndexConditions()

Fix newlines in test scripts

Delay creation of index conditions for ON conditions to avoid NPE

Add more context-sensitive keywords