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reduce number of chars to index for search

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Weves 2025-02-25 19:27:33 -08:00 committed by Chris Weaver
parent f767b1f476
commit 23073d91b9
1 changed files with 2 additions and 2 deletions
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4
backend/alembic/versions/8f43500ee275_add_index.py
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@ -17,11 +17,11 @@ depends_on = None
def upgrade() -> None:
# Create a basic index on the lowercase message column for direct text matching
# Limit to 2000 characters to stay well under the 8191 byte limit
# Limit to 1500 characters to stay well under the 2856 byte limit of btree version 4
op.execute(
"""
CREATE INDEX idx_chat_message_message_lower
ON chat_message (LOWER(substring(message, 1, 2000)))
ON chat_message (LOWER(substring(message, 1, 1500)))
"""
)