Bulk Operation

SPARK-16026 Should use old partition stats to decide whether to update stats when analyzing partition

SPARK-16026 CBO rowcount statistics doesn't work for partitioned parquet external table

SPARK-16026 Simplify some estimation logic by using double instead of decimal

SPARK-16026 Wrong Hive table statistics may trigger OOM if enables CBO

SPARK-16026 Relation stats should be consistent with other plans based on cbo config

SPARK-16026 Estimation relation size based on numRows * rowSize

SPARK-16026 Improve statistics test suites

SPARK-16026 Invalidate stats once table data is changed

SPARK-16026 Remove conf from stats functions since now we have conf in LogicalPlan

SPARK-16026 Update statistics after data changing commands

SPARK-16026 Store zero size and row count after analyzing empty table

SPARK-16026 Add `alterTableStats` to store spark's stats and let `alterTable` keep existing stats

SPARK-16026 Clearly document the mechanism to choose between two sources of statistics

SPARK-16026 Ndv for columns not in filter condition should also be updated

SPARK-16026 Fix recursive join reordering: inside joins are not reordered

SPARK-16026 Use Catalyst type for min/max in ColumnStat for ease of estimation

SPARK-16026 BroadcastHint should use child's stats

SPARK-16026 Join reorder should keep the same order of final project attributes

SPARK-16026 Don't estimate IsNull or IsNotNull predicates for non-leaf node

SPARK-16026 Improve join reorder: Exclude cartesian product candidates to reduce the search space

SPARK-16026 cardinality estimation involving two columns of the same table

SPARK-16026 Cardinality estimation of Limit and Sample

SPARK-16026 Change non-cbo estimation of aggregate

SPARK-16026 Unify two sets of statistics in LogicalPlan

SPARK-16026 Add test cases for row size estimation

SPARK-16026 Cardinality estimation of aggregate operator

SPARK-16026 Add a cbo conf to switch between default statistics and cbo estimated statistics

SPARK-16026 Decouple Statistics and CatalogTable

SPARK-16026 NPE when collecting column stats for string/binary column having only null values

SPARK-16026 Simplify CountMinSketch aggregate implementation

SPARK-16026 Create explicit contract for column stats serialization

SPARK-16026 Simplify AnalyzeColumnCommand

SPARK-16026 SQL aggregate function for CountMinSketch

SPARK-16026 build side decision based on cbo

SPARK-16026 Aggregation function for computing bins (distinct value, count) pairs for equi-width histograms

SPARK-16026 StatisticsColumnSuite failures on big endian platforms

SPARK-16026 Support DESC FORMATTED TABLE COLUMN command to show column-level statistics

SPARK-16026 Implement ALTER TABLE UPDATE STATISTICS SET

SPARK-16026 join reorder

SPARK-16026 broadcast decision based on cbo

SPARK-16026 show estimated stats when doing explain

SPARK-16026 Cardinality estimation of project operator

SPARK-16026 Cardinality estimation of join operator

SPARK-16026 Cardinality Estimation of Predicate Expressions

SPARK-16026 generate basic stats for column

SPARK-16026 generate table level stats:stats generation/storing/loading

SPARK-16026 Define the data structure to hold the statistics for CBO