class sql::Statement

sys::Obj
  sql::Statement

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Statement is an executable statement for a specific database. A statement may be executed immediately or prepared and executed later with parameters. See pod-doc.

close

Void close()

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Close the statement.

execute

Obj execute([Str:Obj]? params := null)

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Execute a SQL statement and if applicable return a result:

• If the statement is a query or procedure which produces a result set, then return Row[]
• If the statement is an insert and auto-generated keys are supported by the connector then return Int[] or Str[] of keys generated
• Return an Int with the update count

limit

Int? limit

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Maximum number of rows returned when this statement is executed. If limit is exceeded rows are silently dropped. A value of null indicates no limit.

prepare

This prepare()

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Prepare this statement by compiling for efficient execution. Return this.

query

Row[] query([Str:Obj]? params := null)

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Execute the statement and return the resulting List of Rows. The Cols are available from List.of.fields or on type.fields of each row instance.

queryEach

Void queryEach([Str:Obj]? params, |Row| eachFunc)

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Execute the statement. For each row in the result, invoke the specified function each. The Obj passed to the each function will be of type Row.

sql

const Str sql

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The SQL text used to create this statement.