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Fixed AWC-1254: Schema changes run in auto-commit mode without rollback.

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Some databases support transactional changes of the schema, but most don't.
Some don't update the schema metadata until the transaction ends.
To workaround all of these issues, a lock table is created at the beginning of the schema bootstrap
and removed afterwards.  Each statement is executed in auto-commit mode.  If there is a failure,
there is no alternative but to revert to the original data and try again.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6215 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
2007-07-11 23:20:47 +00:00
parent edd333a029
commit 9cd707b76f
2 changed files with 111 additions and 16 deletions
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3
config/alfresco/messages/schema-update.properties
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@@ -1,5 +1,6 @@
# Schema update messages
schema.update.msg.dialect_used=Schema managed by database dialect {0}.
schema.update.msg.bypassing=Bypassing schema update checks.
schema.update.msg.all_statements=All executed statements written to file {0}.
schema.update.msg.no_changes=No changes were made to the schema.
@@ -7,6 +8,8 @@ schema.update.msg.executing_generated_script=Executing database script {0} (Gene
schema.update.msg.executing_copied_script=Executing database script {0} (Copied from {1}).
schema.update.msg.executing_statement= Executing statement: {0}
schema.update.msg.optional_statement_failed=Optional statement execution failed:\n SQL: {0}\n Error: {1}\n File: {2}\n Line: {3}
schema.update.warn.dialect_unsupported=Alfresco should not be used with database dialect {0}.
schema.update.err.previous_failed=A previous schema upgrade failed. Revert to the original database before attempting the upgrade again.
schema.update.err.statement_failed=Statement execution failed:\n SQL: {0}\n Error: {1}\n File: {2}\n Line: {3}
schema.update.err.update_failed=Schema auto-update failed
schema.update.err.validation_failed=Schema validation failed