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Add "START TRANSACTION WITH CAUSAL CONSISTENCY ONLY" #1162

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merged 7 commits into from
Feb 3, 2021
Merged

Add "START TRANSACTION WITH CAUSAL CONSISTENCY ONLY" #1162

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8b5443f
add a start transaction without external consistency statement
ekexium Jan 27, 2021
bafe2c9
Merge branch 'master' into add-start-without-external-consistency
ekexium Jan 28, 2021
7d243ad
change the grammar to 'with causal consistency'
ekexium Feb 2, 2021
07aa34a
Merge branch 'add-start-without-external-consistency' of github.com:e…
ekexium Feb 2, 2021
225e384
rename WithoutExternalConsistency to CausalConsistency
ekexium Feb 3, 2021
18a31cd
change syntax to 'start transaction with causal consistency only'
ekexium Feb 3, 2021
aea83fa
Merge branch 'master' into add-start-without-external-consistency
ti-srebot Feb 3, 2021
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9 changes: 6 additions & 3 deletions ast/misc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -386,9 +386,10 @@ func (n *ExecuteStmt) Accept(v Visitor) (Node, bool) {
// See https://dev.mysql.com/doc/refman/5.7/en/commit.html
type BeginStmt struct {
stmtNode
Mode string
ReadOnly bool
Bound *TimestampBound
Mode string
ReadOnly bool
Bound *TimestampBound
CausalConsistencyOnly bool
}

// Restore implements Node interface.
Expand All @@ -414,6 +415,8 @@ func (n *BeginStmt) Restore(ctx *format.RestoreCtx) error {
return n.Bound.Timestamp.Restore(ctx)
}
}
} else if n.CausalConsistencyOnly {
ctx.WriteKeyWord("START TRANSACTION WITH CAUSAL CONSISTENCY ONLY")
} else {
ctx.WriteKeyWord("START TRANSACTION")
}
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2 changes: 2 additions & 0 deletions misc.go
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Expand Up @@ -204,6 +204,7 @@ var tokenMap = map[string]int{
"CASCADED": cascaded,
"CASE": caseKwd,
"CAST": cast,
"CAUSAL": causal,
"CHAIN": chain,
"CHANGE": change,
"CHAR": charType,
Expand Down Expand Up @@ -233,6 +234,7 @@ var tokenMap = map[string]int{
"CONCURRENCY": concurrency,
"CONFIG": config,
"CONNECTION": connection,
"CONSISTENCY": consistency,
"CONSISTENT": consistent,
"CONSTRAINT": constraint,
"CONSTRAINTS": constraints,
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