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chenboy

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Commits on Jun 26, 2018

• Apply limit + order optimization in the optimizer (cmu-db#1385)

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  chenboy

  authored and

  tli2

  committed
  f83d538

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Commits on Mar 30, 2018

• Add a test for 4 table join

  chenboy

  committed
  0c33249

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Commits on Mar 29, 2018

• Fix 4 table join bug in binding iterator

  chenboy

  committed
  cb7fa45

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Commits on Mar 12, 2018

• Modify StatsStorage::GetTableStats() to take a txn as parameter

  chenboy

  committed
  8248e68

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Commits on Mar 4, 2018

• Small fixes

  chenboy

  committed
  3bb1334

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• Remove debugging log

  chenboy

  committed
  2f9bb9d

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• Fix build error and temporarily comment out test case, see comment

  chenboy

  committed
  9061a48

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• Merge branch 'master' into nested_query

  chenboy

  authored
  56337ac

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Commits on Mar 3, 2018

• Address comments

  chenboy

  committed
  eaf7bfb

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Commits on Feb 27, 2018

• Address comments

  chenboy

  committed
  dcabc33

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• Remove unused code

  chenboy

  committed
  a8b1a6b

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• Support correlated subquery in having clause with aggregation in subquery

  chenboy

  committed
  23179e1

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• Support subquery in having clause with correlated predicate

  chenboy

  committed
  f16f6f9

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Commits on Feb 17, 2018

• Fix test cases to correctly construct TVE in having clause

  chenboy

  committed
  7066b8c

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Commits on Feb 15, 2018

• Fix typo in determining if sub-select could be transformed

  chenboy

  committed
  265cb45

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Commits on Feb 12, 2018

• Convert aggregate EXPR to TVE, pass all tests

  chenboy

  committed
  5ed21f1

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• Fix tons of bugs in the optimizer again :-)

  chenboy

  committed
  55cadb1

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• Add a rule to pull correlated predicates up through aggregation

  chenboy

  committed
  000b9ff

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• Use promise to order unnesting rules apply order

  chenboy

  committed
  f335842

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• Refactor query_to_operator_transformer a bit to support better error handling

  chenboy

  committed
  52be828

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Commits on Feb 4, 2018

• Update README.md

  chenboy

  authored
  25a0d27

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Commits on Feb 2, 2018

• Update README.md

  chenboy

  authored
  c7525aa

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• Create README.md

  chenboy

  authored
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Commits on Jan 27, 2018

• Correct some cost function

  

  chenboy

  authored and

  apavlo

  committed
  da0346b

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• Fix build error++

  

  chenboy

  authored and

  apavlo

  committed
  b2b9481

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• Fix tests

  

  chenboy

  authored and

  apavlo

  committed
  0b3d0da

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• Fix build error

  

  chenboy

  authored and

  apavlo

  committed
  9075c7b

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• Remove redundant files

  

  chenboy

  authored and

  apavlo

  committed
  8c4e758

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• Add num_rows as stats member for each group

  

  chenboy

  authored and

  apavlo

  committed
  f0db55a

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• Finish most of the cost calculation

  

  chenboy

  authored and

  apavlo

  committed
  e2b0362

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• Finish StatsCalculator

  

  chenboy

  authored and

  apavlo

  committed
  ae60ea7

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• Add stats calculation for scan

  

  chenboy

  authored and

  apavlo

  committed
  88a158c

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• Finish top-down stats derivation

  

  chenboy

  authored and

  apavlo

  committed
  f42f355

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• Add stats derivation task and visitors

  

  chenboy

  authored and

  apavlo

  committed
  afc7e24

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Commits on Jan 5, 2018

• Add a helper function to check if an expression could be evaluated statically

  

  chenboy

  authored and

  apavlo

  committed
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