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# Class: VertxSqlClient::SqlResult

Inherits:
  Object
  - Object
  - VertxSqlClient::SqlResult
  show all
Defined in:
  /Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/sql_result.rb

## Overview

Represents the result of an operation on database.

## Direct Known Subclasses

RowSet

## Instance Method Summary (collapse)

- - (Array<String>) columns_names
  Get the names of columns in the PgResult.
- - (::VertxSqlClient::SqlResult) next
  Return the next available result or null, e.g for a simple query that executed multiple queries or for a batch result.
- - (Fixnum) row_count
  Get the number of the affected rows in the operation to this PgResult.
- - (Fixnum) size
  Get the number of rows in the PgResult.
- - (Object) value
  Get the result value.

## Instance Method Details

### - (`Array<String>`) columns_names

Get the names of columns in the PgResult.

Returns:

- (`Array<String>`) —
  the list of names of columns.

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/sql_result.rb', line 35

    def columns_names
      if !block_given?
        return @j_del.java_method(:columnsNames, []).call().to_a.map { |elt| elt }
      end
      raise ArgumentError, "Invalid arguments when calling columns_names()"
    end

### - (`::VertxSqlClient::SqlResult`) next

Return the next available result or `null`, e.g for a simple query that executed multiple queries or for a batch result.

Returns:

- (`::VertxSqlClient::SqlResult`) —
  the next available result or `null` if none is available

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/sql_result.rb', line 60

    def next
      if !block_given?
        return ::Vertx::Util::Utils.safe_create(@j_del.java_method(:next, []).call(),::VertxSqlClient::SqlResult, nil)
      end
      raise ArgumentError, "Invalid arguments when calling next()"
    end

### - (`Fixnum`) row_count

Get the number of the affected rows in the operation to this PgResult.

The meaning depends on the executed statement:

- INSERT: the number of rows inserted
- DELETE: the number of rows deleted
- UPDATE: the number of rows updated
- SELECT: the number of rows retrieved

Returns:

- (`Fixnum`) —
  the count of affected rows.

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/sql_result.rb', line 27

    def row_count
      if !block_given?
        return @j_del.java_method(:rowCount, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling row_count()"
    end

### - (`Fixnum`) size

Get the number of rows in the PgResult.

Returns:

- (`Fixnum`) —
  the count of rows.

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/sql_result.rb', line 43

    def size
      if !block_given?
        return @j_del.java_method(:size, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling size()"
    end

### - (`Object`) value

Get the result value.

Returns:

- (`Object`) —
  the result

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/sql_result.rb', line 51

    def value
      if !block_given?
        return @j_arg_T.wrap(@j_del.java_method(:value, []).call())
      end
      raise ArgumentError, "Invalid arguments when calling value()"
    end