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release-22.1: rowexec: close all ValueGenerators in the project set processor #86973

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Aug 30, 2022
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release-22.1: rowexec: close all ValueGenerators in the project set processor #86973

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7 changes: 7 additions & 0 deletions pkg/sql/rowexec/project_set.go
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Original file line number Diff line number Diff line change
Expand Up @@ -144,6 +144,13 @@ func (ps *projectSetProcessor) nextInputRow() (
if fn := ps.funcs[i]; fn != nil {
// A set-generating function. Prepare its ValueGenerator.

// First, make sure to close its ValueGenerator from the previous
// input row (if it exists).
if ps.gens[i] != nil {
ps.gens[i].Close(ps.Ctx)
ps.gens[i] = nil
}

// Set ExprHelper.row so that we can use it as an IndexedVarContainer.
ps.exprHelpers[i].Row = row

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