Class | Sequel::Oracle::Dataset |
In: |
lib/sequel/adapters/oracle.rb
|
Parent: | Sequel::Dataset |
DatasetClass | = | self |
PREPARED_ARG_PLACEHOLDER | = | ':'.freeze |
Execute the given type of statement with the hash of values.
# File lib/sequel/adapters/oracle.rb, line 357 357: def call(type, bind_vars={}, *values, &block) 358: ps = to_prepared_statement(type, values) 359: ps.extend(BindArgumentMethods) 360: ps.call(bind_vars, &block) 361: end
# File lib/sequel/adapters/oracle.rb, line 376 376: def fetch_rows(sql) 377: execute(sql) do |cursor| 378: offset = @opts[:offset] 379: rn = row_number_column 380: cps = db.conversion_procs 381: cols = columns = cursor.get_col_names.map{|c| output_identifier(c)} 382: metadata = cursor.column_metadata 383: cm = cols.zip(metadata).map{|c, m| [c, cps[m.data_type]]} 384: columns = cols.reject{|x| x == rn} if offset 385: @columns = columns 386: while r = cursor.fetch 387: row = {} 388: r.zip(cm).each{|v, (c, cp)| row[c] = ((v && cp) ? cp.call(v) : v)} 389: row.delete(rn) if offset 390: yield row 391: end 392: end 393: self 394: end
Prepare the given type of query with the given name and store it in the database. Note that a new native prepared statement is created on each call to this prepared statement.
# File lib/sequel/adapters/oracle.rb, line 366 366: def prepare(type, name=nil, *values) 367: ps = to_prepared_statement(type, values) 368: ps.extend(PreparedStatementMethods) 369: if name 370: ps.prepared_statement_name = name 371: db.prepared_statements[name] = ps 372: end 373: ps 374: end
Create a named prepared statement that is stored in the database (and connection) for reuse.
# File lib/sequel/adapters/oracle.rb, line 398 398: def prepare(type, name=nil, *values) 399: ps = to_prepared_statement(type, values) 400: ps.extend(PreparedStatementMethods) 401: if name 402: ps.prepared_statement_name = name 403: db.prepared_statements[name] = ps 404: end 405: ps 406: end