'usePreparedStatement' default to 'true' in 'LoadDataChange' and chan…

…ged its weight in later decision

(cherry picked from commit a382e56)

liquibase-core/src/main/java/liquibase/change/core/LoadDataChange.java

@@ -322,9 +322,9 @@ public SqlStatement[] generateStatements(Database database) {
  );
  }
 
- boolean needsPreparedStatement = false;
- if (usePreparedStatements != null && usePreparedStatements) {
- needsPreparedStatement = true;
+ boolean needsPreparedStatement = true;
+ if (usePreparedStatements != null && !usePreparedStatements) {
+ needsPreparedStatement = false;
  }
 
  List<LoadDataColumnConfig> columnsFromCsv = new ArrayList<>();
@@ -475,12 +475,13 @@ public SqlStatement[] generateStatements(Database database) {
  }
  // end of: iterate through all the columns of a CSV line
 
- // Try to use prepared statements if any of the two following conditions apply:
- // 1. There is no other option than using a prepared statement (e.g. in cases of LOBs)
+ // Try to use prepared statements if any of the following conditions apply:
+ // 1. There is no other option than using a prepared statement (e.g. in cases of LOBs) regardless
+ // of whether the 'usePreparedStatement' is set to false
  // 2. The database supports batched statements (for improved performance) AND we are not in an
  // "SQL" mode (i.e. we generate an SQL file instead of actually modifying the database).
  if
- ((needsPreparedStatement || (databaseSupportsBatchUpdates && ! isLoggingExecutor(database))) &&
+ ((needsPreparedStatement && (databaseSupportsBatchUpdates && ! isLoggingExecutor(database))) &&
  hasPreparedStatementsImplemented()) {
  anyPreparedStatements = true;
  ExecutablePreparedStatementBase stmt =