class PG::ResultSet

• PG::ResultSet
• DB::ResultSet
• Reference
• Object

Defined in:

pg/result_set.cr
pg_ext/big_rational.cr

Constructors

• .new(statement, fields : Array(PQ::Field) | Nil)

Instance Method Summary

• #column_count : Int32

  Returns the number of columns in the result

• #column_name(index : Int32) : String

  Returns the name of the column in index 0-based position.

• #column_type(index : Int32)
• #move_next : Bool

  Move the next row in the result.

• #next_column_index : Int32

  Returns the column index that corresponds to the next #read.

• #read(t : Array(T).class) : Array(T) forall T
• #read(t : (Array(T) | ::Nil).class) : Array(T) | Nil forall T
• #read(t : String.class) : String
• #read(t : (String | ::Nil).class) : String | Nil
• #read(t : JSON::Any.class) : JSON::Any
• #read(t : (JSON::Any | ::Nil).class) : JSON::Any | Nil
• #read(t : BigRational.class)
• #read(t : (BigRational | ::Nil).class)
• #read

  Reads the next column value

• #rows_affected : Int64

Constructor Detail

Instance Method Detail