CatalystConf

CatalystConf is…​FIXME

Note
 The default CatalystConf is SQLConf that is…​FIXME
Table 1. CatalystConf’s Internal Properties (in alphabetical order)
Name Initial Value Description

caseSensitiveAnalysis

cboEnabled

Enables cost-based optimizations (CBO) for estimation of plan statistics when enabled.

Used in CostBasedJoinReorder logical plan optimization and Project, Filter, Join and Aggregate logical operators.

optimizerMaxIterations

spark.sql.optimizer.maxIterations

Maximum number of iterations for Analyzer and Optimizer.

sessionLocalTimeZone

resolver Method

resolver gives case-sensitive or case-insensitive Resolvers per caseSensitiveAnalysis setting.

Note
 Resolver is a mere function of two String parameters that returns true if both refer to the same entity (i.e. for case insensitive equality).

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