Class: YbDDLParser::AST::ParseResult

Inherits:
Data
  • Object
show all
Defined in:
lib/yb_ddl_parser/ast.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors

Returns:

  • (Object) —

    the current value of errors



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# File 'lib/yb_ddl_parser/ast.rb', line 128

def errors
  @errors
end

#statements ⇒ Object (readonly)

Returns the value of attribute statements

Returns:

  • (Object) —

    the current value of statements



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# File 'lib/yb_ddl_parser/ast.rb', line 128

def statements
  @statements
end

Class Method Details

.build_statement(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 159

def self.build_statement(hash)
  Statement.new(
    kind: sym(hash[:kind]),
    raw_node_type: hash[:raw_node_type],
    sql: hash[:sql],
    location: hash[:location],
    relation: relation(hash[:relation]),
    object_type: sym(hash[:object_type]),
    objects: Array(hash[:objects]).map { |obj| relation(obj) },
    columns: Array(hash[:columns]).map { |col| column(col) },
    constraints: Array(hash[:constraints]).map { |constraint_hash| constraint(constraint_hash) },
    primary_key: hash[:primary_key] && constraint(hash[:primary_key]),
    commands: Array(hash[:commands]).map { |cmd| command(cmd) },
    index_name: hash[:index_name],
    unique: hash[:unique],
    concurrently: sym(hash[:concurrently]),
    access_method: hash[:access_method],
    keys: Array(hash[:keys]).map { |key| key_column(key) },
    include_columns: Array(hash[:include_columns]),
    where_sql: hash[:where_sql],
    tablespace: hash[:tablespace],
    tablet_split: tablet_split(hash[:split]),
    partition_spec: partition_spec(hash[:partition]),
    partition_of: relation(hash[:partition_of]),
    partition_bound_sql: hash[:partition_bound_sql],
    if_exists: hash[:if_exists],
    if_not_exists: hash[:if_not_exists],
    name: hash[:name],
    owner: hash[:owner],
    new_name: hash[:new_name],
    tablespace_location: hash[:tablespace_location],
    replica_placement_json: hash[:replica_placement_json],
  )
end

.column(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 231

def self.column(hash)
  Column.new(
    name: hash[:name],
    type: hash[:type],
    typmods: Array(hash[:typmods]),
    constraints: Array(hash[:constraints]).map { |constraint_hash| constraint(constraint_hash) },
  )
end

.command(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 220

def self.command(hash)
  Command.new(
    kind: sym(hash[:kind]),
    column: hash[:column] && column(hash[:column]),
    definition: hash[:definition],
    constraint: hash[:constraint] && constraint(hash[:constraint]),
    tablespace: hash[:tablespace],
    missing_ok: hash[:missing_ok],
  )
end

.constraint(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 240

def self.constraint(hash)
  Constraint.new(
    type: sym(hash[:type]),
    name: hash[:name],
    columns: Array(hash[:columns]),
    key_columns: Array(hash[:key_columns]).map { |key| key_column(key) },
    raw_expression: hash[:raw_expression],
    functions: Array(hash[:functions]),
  )
end

.diagnostic(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 194

def self.diagnostic(hash)
  ParseDiagnostic.new(
    message: hash[:message],
    position: hash[:position],
  )
end

.from_hash(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 129

def self.from_hash(hash)
  new(
    statements: Array(hash[:statements]).map { |stmt| build_statement(stmt) },
    errors: Array(hash[:errors]).map { |error| diagnostic(error) },
  )
end

.key_column(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 251

def self.key_column(hash)
  KeyColumn.new(
    name: hash[:name],
    expression: hash[:expression],
    order: sym(hash[:order]),
    nulls: sym(hash[:nulls]),
    hashed: hash[:hash],
    hash_group: hash[:hash_group],
  )
end

.partition_spec(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 211

def self.partition_spec(hash)
  return unless hash

  PartitionSpec.new(
    strategy: sym(hash[:strategy]),
    keys: Array(hash[:keys]),
  )
end

.relation(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 262

def self.relation(hash)
  return unless hash

  RelationName.new(schema: hash[:schema], name: hash[:name])
end

.sym(value) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 268

def self.sym(value)
  value.nil? ? nil : value.to_sym
end

.tablet_split(hash) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 201

def self.tablet_split(hash)
  return unless hash

  TabletSplit.new(
    type: sym(hash[:type]),
    num_tablets: hash[:num_tablets],
    points: hash[:points],
  )
end

Instance Method Details

#each_column ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 148

def each_column
  return enum_for(:each_column) unless block_given?

  statements.each do |stmt|
    stmt.columns.each { |column| yield column, stmt } if stmt.columns
    stmt.commands.each do |cmd|
      yield cmd.column, stmt if cmd.column
    end if stmt.commands
  end
end

#each_statement(&block) ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 144

def each_statement(&block)
  statements.each(&block)
end

#single_statement! ⇒ Object 



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# File 'lib/yb_ddl_parser/ast.rb', line 136

def single_statement!
  if statements.length != 1
    raise ParseError, "expected exactly one statement, got #{statements.length}"
  end

  statements.first
end