fix: case sensitive with cast for delta #6656

Job	Run time
Build	6m 10s
Format (rustfmt +nightly)	14s
Python Binding Tests	6m 59s
Node.js Binding Tests	4m 37s
Lint (clippy)	4m 46s
PG Protocol Tests	27s
Process Integration Tests (pytest)	1m 19s
SQL Logic Tests (postgres)	12s
Unit Tests	7m 22s
SQL Logic Tests (flightsql)	12s
SQL Logic Tests (rpc)	24s
Cache Maintenance	0s
MinIO Integration Tests (SLT::MinIO)	2m 52s
Object Store Service Integration Tests (SLT)	57s
Big Query Integration Tests (SLT::MinIO)	1m 38s
Datasource Integration (Clickhouse)	2m 22s
Datasource Integration (SQLite)	2m 28s
Datasource Integration (Cassandra)	1m 51s
Build and Push Docker Image	0s
Datasource Integration (MySQL)	2m 45s
Datasource Integration (MongoDB)	36s
Datasource Integration (SQLServer)	8m 57s
Datasource Integration (PostgreSQL)	2m 23s
Snowflake Integration Tests (SLT::Snowflake)	2m 13s
	1h 1m 44s

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