/* other */ int stmt_location; /* start location, or -1 if unknown */ int stmt_len; /* length in bytes; 0 means "rest of string" */ } Query; struct ParseState { struct ParseState *parentParseState; /* stack link */ const char *p_sourcetext; /* source text, or NULL if not...
[ FETCH { FIRST | NEXT } [ count ] { ROW | ROWS } ONLY ] [ FOR { UPDATE | NO KEY UPDATE | SHARE | KEY SHARE } [ OF table_name [, ...] ] [ NOWAIT | SKIP LOCKED ] [...] ] #from_item 可以是以下选项之一 [ ONLY ] table_name [ * ] [ [ AS ] alias [ ( column_...
{ "fdw_invalid_string_length_or_buffer_length", ERRCODE_FDW_INVALID_STRING_LENGTH_OR_BUFFER_LENGTH }, { "fdw_invalid_string_format", ERRCODE_FDW_INVALID_STRING_FORMAT }, { "fdw_invalid_use_of_null_pointer", ERRCODE_FDW_INVALID_USE_OF_NULL_POINTER }, { "fdw_too_many_handles", ERRCODE...
; } /* * If awoken after the deadlock check interrupt has run, and * log_lock_waits is on, then report about the wait. */ if (log_lock_waits && deadlock_state != DS_NOT_YET_CHECKED) { StringInfoData buf; const char *modename; ...
2200C invalid_use_of_escape_character 2200G most_specific_type_mismatch 22004 null_value_not_allowed 22002 null_value_no_indicator_parameter 22003 numeric_value_out_of_range 2200H sequence_generator_limit_exceeded 22026 string_data_length_mismatch 22001 string_data_right_truncation 22011 substring_err...
2200C invalid_use_of_escape_character 2200G most_specific_type_mismatch 22004 null_value_not_allowed 22002 null_value_no_indicator_parameter 22003 numeric_value_out_of_range 2200H sequence_generator_limit_exceeded 22026 string_data_length_mismatch 22001 string_data_right_truncation 22011 substring_err...
*/@OverridepublicStringprocessRecords()throws Exception{String event=null;final ByteBuffer record=this.stream.read();if(record!=null){final int offset=record.arrayOffset();final byte[]source=record.array();final int length=source.length-offset;event=newString(source,offset,length);}returnevent;} ...
5、开放的索引接口,使得PG支持非常丰富的索引方法,例如btree , hash , gin , gist , sp-gist , brin , bloom , rum , zombodb , bitmap (greenplum extend),用户可以根据不同的数据类型,以及查询的场景,选择不同的索引。 6、PG内部还支持BitmapAnd, BitmapOr的优化方法,可以合并多个索引的扫描操作,从而提...
public string Name { get; set; } public int Age { get; set; } public Order[] Orders { get; set; } } public class Order // Part of the JSON column { public decimal Price { get; set; } public string ShippingAddress { get; set; } ...
PASSWORD_LIFE_TIME: The number of days a password can be used before the user is prompted to change it. PASSWORD_GRACE_TIME: The length of the grace period after a password expires until the user is forced to change their password. When the grace period expire...