Migration from 1.90+ to 2.05+ throws some database errors:

From the PostgreSQL log:

ERROR: column "surveyls_survey_id" is in a primary key
STATEMENT: ALTER TABLE lime_surveys_languagesettings ALTER COLUMN surveyls_survey_id DROP NOT NULL
ERROR: current transaction is aborted, commands ignored until end of transaction block
STATEMENT: ALTER TABLE lime_surveys_languagesettings ALTER COLUMN surveyls_survey_id SET NOT NULL
ERROR: relation "questions_idx3" already exists
STATEMENT: CREATE INDEX "questions_idx3" ON "lime_questions" ("gid")
ERROR: index "user_in_groups_idx1" does not exist
STATEMENT: DROP INDEX "user_in_groups_idx1"
ERROR: index "lime_user_name_key" does not exist
STATEMENT: DROP INDEX "lime_user_name_key"
ERROR: column "attribute_type" is in a primary key
STATEMENT: ALTER TABLE lime_participant_attribute_names ALTER COLUMN attribute_type DROP NOT NULL
ERROR: current transaction is aborted, commands ignored until end of transaction block
STATEMENT: ALTER TABLE lime_participant_attribute_names ALTER COLUMN attribute_type SET NOT NULL
ERROR: column "id" of relation "lime_participant_attribute_names_lang" does not exist
STATEMENT: ALTER TABLE "lime_participant_attribute_names_lang" DROP COLUMN "id"
ERROR: column "shared_uid" does not exist
STATEMENT: ALTER TABLE "lime_participant_shares" RENAME COLUMN "shared_uid" TO "share_uid"
ERROR: index "assessments_idx" does not exist
STATEMENT: DROP INDEX "assessments_idx"
ERROR: relation "assessments_idx3" already exists
STATEMENT: CREATE INDEX "assessments_idx3" ON "lime_assessments" ("gid")
ERROR: index "ixcode" does not exist
STATEMENT: DROP INDEX "ixcode"
ERROR: syntax error at or near "PRIMARY" at character 32
STATEMENT: ALTER TABLE lime_questions DROP PRIMARY KEY, ADD PRIMARY KEY (qid,language)