Avoid calling executeBatch() with 0 batch size #27154
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Now usign
org.springframework.jdbc.core.JdbcTemplate#batchUpdate(java.lang.String, org.springframework.jdbc.core.BatchPreparedStatementSetter)
with empty data array may produce exception with some DBs. E. g. with HSQLDB it producejava.sql.SQLException: statement is not in batch mode
. Suggest avoid it by batchSize checking.