db/schema/indexes.sql:
db/schema/indexes.sql:

Added an index to htemp.source_progress.lt_realization_id and
htemp.hazard_curve_progress.lt_realization_id.

Queries on these fields were found to take more than 1.5 seconds
in some cases (with already a lot records in the DB).


Former-commit-id: 3edb8fbc100b26d7e6b440f1505393ef91d33688 [formerly 8a7ac7c0bac79ef48103e482019c5d0332ca4a76] [formerly 8a7ac7c0bac79ef48103e482019c5d0332ca4a76 [formerly 0ec47eb4d0376c61ed9de5ccb2448cee4a5fc41d]]
Former-commit-id: 5f09ad5d9c69b6e9551ab9dda746d7e1479f0c87
Former-commit-id: 5d044b11e126de43a01fefb8feed77d72f51ceba
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine