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-rw-r--r--src/pl/plpython/plpython_schema.sql2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pl/plpython/plpython_schema.sql b/src/pl/plpython/plpython_schema.sql
index 28ceef55350..2f8766431fa 100644
--- a/src/pl/plpython/plpython_schema.sql
+++ b/src/pl/plpython/plpython_schema.sql
@@ -20,7 +20,7 @@ CREATE TABLE taxonomy (
CREATE TABLE entry (
accession text not null primary key,
- eid serial,
+ eid serial unique,
txid int2 not null references taxonomy(id)
) ;