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authorSean Dunn <sean.dunn@ihsmarkit.com>2018-06-29 10:26:57 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2018-06-29 10:52:47 -0400
commitca94ea8ab583f8ab366ee5971bfc1bdd96e54cc9 (patch)
treea32d239376d13586f8e16db4f123c7a6c6573962 /lib/sqlalchemy/dialects/mssql/information_schema.py
parentb694a309e89e7c3e57e83dd10e9a75c66672c396 (diff)
downloadsqlalchemy-ca94ea8ab583f8ab366ee5971bfc1bdd96e54cc9.tar.gz
Add unique_constraint_name to MSSQL FK reflection
Fixed bug in MSSQL reflection where when two same-named tables in different schemas had same-named primary key constraints, foreign key constraints referring to one of the tables would have their columns doubled, causing errors. Pull request courtesy Sean Dunn. Fixes: #4228 Change-Id: I7dabaaee0944e1030048826ba39fc574b0d63031 Pull-request: https://github.com/zzzeek/sqlalchemy/pull/457
Diffstat (limited to 'lib/sqlalchemy/dialects/mssql/information_schema.py')
-rw-r--r--lib/sqlalchemy/dialects/mssql/information_schema.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/mssql/information_schema.py b/lib/sqlalchemy/dialects/mssql/information_schema.py
index 103458705..3682fae48 100644
--- a/lib/sqlalchemy/dialects/mssql/information_schema.py
+++ b/lib/sqlalchemy/dialects/mssql/information_schema.py
@@ -103,6 +103,8 @@ key_constraints = Table("KEY_COLUMN_USAGE", ischema,
key="column_name"),
Column("CONSTRAINT_NAME", CoerceUnicode,
key="constraint_name"),
+ Column("CONSTRAINT_SCHEMA", CoerceUnicode,
+ key="constraint_schema"),
Column("ORDINAL_POSITION", Integer,
key="ordinal_position"),
schema="INFORMATION_SCHEMA")