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package DBD::SQLite::GetInfo;
use 5.006;
use strict;
use warnings;
use DBD::SQLite;
# SQL_DRIVER_VER should be formatted as dd.dd.dddd
my $dbdversion = $DBD::SQLite::VERSION;
$dbdversion .= '_00' if $dbdversion =~ /^\d+\.\d+$/;
my $sql_driver_ver = sprintf("%02d.%02d.%04d", split(/[\._]/, $dbdversion));
# Full list of keys and their return types: DBI::Const::GetInfo::ODBC
# Most of the key definitions can be gleaned from:
#
# https://docs.microsoft.com/en-us/sql/odbc/reference/syntax/sqlgetinfo-function
our %info = (
20 => 'N', # SQL_ACCESSIBLE_PROCEDURES - No stored procedures to access
19 => 'Y', # SQL_ACCESSIBLE_TABLES - SELECT access to all tables in table_info
0 => 0, # SQL_ACTIVE_CONNECTIONS - No maximum connection limit
116 => 0, # SQL_ACTIVE_ENVIRONMENTS - No "active environment" limit
1 => 0, # SQL_ACTIVE_STATEMENTS - No concurrent activity limit
169 => 127, # SQL_AGGREGATE_FUNCTIONS - Supports all SQL-92 aggregrate functions
117 => 0, # SQL_ALTER_DOMAIN - No ALTER DOMAIN support
86 => 1, # SQL_ALTER_TABLE - Only supports ADD COLUMN and table rename (not listed in enum) in ALTER TABLE statements
10021 => 0, # SQL_ASYNC_MODE - No asynchronous support (in vanilla SQLite)
120 => 0, # SQL_BATCH_ROW_COUNT - No special row counting access
121 => 0, # SQL_BATCH_SUPPORT - No batches
82 => 0, # SQL_BOOKMARK_PERSISTENCE - No bookmark support
114 => 1, # SQL_CATALOG_LOCATION - Database comes first in identifiers
10003 => 'Y', # SQL_CATALOG_NAME - Supports database names
41 => '.', # SQL_CATALOG_NAME_SEPARATOR - Separated by dot
42 => 'database', # SQL_CATALOG_TERM - SQLite calls catalogs databases
92 => 1+4+8, # SQL_CATALOG_USAGE - Supported in calls to DML & table/index definiton (no procedures or permissions)
10004 => 'UTF-8', # SQL_COLLATION_SEQ - SQLite 3 uses UTF-8 by default
87 => 'Y', # SQL_COLUMN_ALIAS - Supports column aliases
22 => 0, # SQL_CONCAT_NULL_BEHAVIOR - 'a'||NULL = NULL
# SQLite has no CONVERT function, only CAST. However, it converts to every "affinity" it supports.
#
# The only SQL_CVT_* types it doesn't support are date/time types, as it has no concept of
# date/time values once inserted. These are only convertable to text-like types. GUIDs are in
# the same boat, having no real means of switching to a numeric format.
#
# text/binary types = 31723265
# numeric types = 28926
# date/time types = 1802240
# total = 33554431
48 => 1, # SQL_CONVERT_FUNCTIONS - CAST only
53 => 31723265+28926, # SQL_CONVERT_BIGINT
54 => 31723265+28926, # SQL_CONVERT_BINARY
55 => 31723265+28926, # SQL_CONVERT_BIT
56 => 33554431, # SQL_CONVERT_CHAR
57 => 31723265+1802240, # SQL_CONVERT_DATE
58 => 31723265+28926, # SQL_CONVERT_DECIMAL
59 => 31723265+28926, # SQL_CONVERT_DOUBLE
60 => 31723265+28926, # SQL_CONVERT_FLOAT
173 => 31723265, # SQL_CONVERT_GUID
61 => 31723265+28926, # SQL_CONVERT_INTEGER
123 => 31723265+1802240, # SQL_CONVERT_INTERVAL_DAY_TIME
124 => 31723265+1802240, # SQL_CONVERT_INTERVAL_YEAR_MONTH
71 => 31723265+28926, # SQL_CONVERT_LONGVARBINARY
62 => 31723265+28926, # SQL_CONVERT_LONGVARCHAR
63 => 31723265+28926, # SQL_CONVERT_NUMERIC
64 => 31723265+28926, # SQL_CONVERT_REAL
65 => 31723265+28926, # SQL_CONVERT_SMALLINT
66 => 31723265+1802240, # SQL_CONVERT_TIME
67 => 31723265+1802240, # SQL_CONVERT_TIMESTAMP
68 => 31723265+28926, # SQL_CONVERT_TINYINT
69 => 33554431, # SQL_CONVERT_VARBINARY
70 => 33554431, # SQL_CONVERT_VARCHAR
122 => 33554431, # SQL_CONVERT_WCHAR
125 => 33554431, # SQL_CONVERT_WLONGVARCHAR
126 => 33554431, # SQL_CONVERT_WVARCHAR
74 => 1, # SQL_CORRELATION_NAME - Table aliases are supported, but must be named differently
127 => 0, # SQL_CREATE_ASSERTION - No CREATE ASSERTION support
128 => 0, # SQL_CREATE_CHARACTER_SET - No CREATE CHARACTER SET support
129 => 0, # SQL_CREATE_COLLATION - No CREATE COLLATION support
130 => 0, # SQL_CREATE_DOMAIN - No CREATE DOMAIN support
131 => 0, # SQL_CREATE_SCHEMA - No CREATE SCHEMA support
132 => 16383-2-8-4096, # SQL_CREATE_TABLE - Most of the functionality of CREATE TABLE support
133 => 0, # SQL_CREATE_TRANSLATION - No CREATE TRANSLATION support
134 => 1, # SQL_CREATE_VIEW - CREATE VIEW, no WITH CHECK OPTION support
23 => 2, # SQL_CURSOR_COMMIT_BEHAVIOR - Cursors are preserved
24 => 2, # SQL_CURSOR_ROLLBACK_BEHAVIOR - Cursors are preserved
10001 => 0, # SQL_CURSOR_SENSITIVITY - Cursors have a concept of snapshots, though this depends on the transaction type
2 => \&sql_data_source_name, # SQL_DATA_SOURCE_NAME - The DSN
25 => \&sql_data_source_read_only, # SQL_DATA_SOURCE_READ_ONLY - Might have a SQLITE_OPEN_READONLY flag
16 => \&sql_database_name, # SQL_DATABASE_NAME - Self-explanatory
119 => 0, # SQL_DATETIME_LITERALS - No support for SQL-92's super weird date/time literal format (ie: {d '2999-12-12'})
17 => 'SQLite', # SQL_DBMS_NAME - You are here
18 => \&sql_dbms_ver, # SQL_DBMS_VER - This driver version
170 => 1+2, # SQL_DDL_INDEX - Supports CREATE/DROP INDEX
26 => 8, # SQL_DEFAULT_TXN_ISOLATION - Default is SERIALIZABLE (See "PRAGMA read_uncommitted")
10002 => 'N', # SQL_DESCRIBE_PARAMETER - No DESCRIBE INPUT support
# XXX: MySQL/Oracle fills in HDBC and HENV, but information on what should actually go there is
# hard to acquire.
# 171 => undef, # SQL_DM_VER - Not a Driver Manager
# 3 => undef, # SQL_DRIVER_HDBC - Not a Driver Manager
# 135 => undef, # SQL_DRIVER_HDESC - Not a Driver Manager
# 4 => undef, # SQL_DRIVER_HENV - Not a Driver Manager
# 76 => undef, # SQL_DRIVER_HLIB - Not a Driver Manager
# 5 => undef, # SQL_DRIVER_HSTMT - Not a Driver Manager
6 => 'libsqlite3odbc.so', # SQL_DRIVER_NAME - SQLite3 ODBC driver (if installed)
77 => '03.00', # SQL_DRIVER_ODBC_VER - Same as sqlite3odbc.c
7 => $sql_driver_ver, # SQL_DRIVER_VER - Self-explanatory
136 => 0, # SQL_DROP_ASSERTION - No DROP ASSERTION support
137 => 0, # SQL_DROP_CHARACTER_SET - No DROP CHARACTER SET support
138 => 0, # SQL_DROP_COLLATION - No DROP COLLATION support
139 => 0, # SQL_DROP_DOMAIN - No DROP DOMAIN support
140 => 0, # SQL_DROP_SCHEMA - No DROP SCHEMA support
141 => 1, # SQL_DROP_TABLE - DROP TABLE support, no RESTRICT/CASCADE
142 => 0, # SQL_DROP_TRANSLATION - No DROP TRANSLATION support
143 => 1, # SQL_DROP_VIEW - DROP VIEW support, no RESTRICT/CASCADE
# NOTE: This is based purely on what sqlite3odbc supports.
#
# Static CA1: NEXT, ABSOLUTE, RELATIVE, BOOKMARK, LOCK_NO_CHANGE, POSITION, UPDATE, DELETE, REFRESH,
# BULK_ADD, BULK_UPDATE_BY_BOOKMARK, BULK_DELETE_BY_BOOKMARK = 466511
#
# Forward-only CA1: NEXT, BOOKMARK
#
# CA2: READ_ONLY_CONCURRENCY, LOCK_CONCURRENCY
144 => 0, # SQL_DYNAMIC_CURSOR_ATTRIBUTES1 - No dynamic cursor support
145 => 0, # SQL_DYNAMIC_CURSOR_ATTRIBUTES2 - No dynamic cursor support
146 => 1+8, # SQL_FORWARD_ONLY_CURSOR_ATTRIBUTES1
147 => 1+2, # SQL_FORWARD_ONLY_CURSOR_ATTRIBUTES2
150 => 0, # SQL_KEYSET_CURSOR_ATTRIBUTES1 - No keyset cursor support
151 => 0, # SQL_KEYSET_CURSOR_ATTRIBUTES2 - No keyset cursor support
167 => 466511, # SQL_STATIC_CURSOR_ATTRIBUTES1
168 => 1+2, # SQL_STATIC_CURSOR_ATTRIBUTES2
27 => 'Y', # SQL_EXPRESSIONS_IN_ORDERBY - ORDER BY allows expressions
8 => 63, # SQL_FETCH_DIRECTION - Cursors support next, first, last, prior, absolute, relative
84 => 2, # SQL_FILE_USAGE - Single-tier driver, treats files as databases
81 => 1+2+8, # SQL_GETDATA_EXTENSIONS - Same as sqlite3odbc.c
88 => 3, # SQL_GROUP_BY - SELECT columns are independent of GROUP BY columns
28 => 4, # SQL_IDENTIFIER_CASE - Not case-sensitive, stored in mixed case
29 => '"', # SQL_IDENTIFIER_QUOTE_CHAR - Uses " for identifiers, though supports [] and ` as well
148 => 0, # SQL_INDEX_KEYWORDS - No support for ASC/DESC/ALL for CREATE INDEX
149 => 0, # SQL_INFO_SCHEMA_VIEWS - No support for INFORMATION_SCHEMA
172 => 1+2, # SQL_INSERT_STATEMENT - INSERT...VALUES & INSERT...SELECT
73 => 'N', # SQL_INTEGRITY - No support for "Integrity Enhancement Facility"
89 => \&sql_keywords, # SQL_KEYWORDS - List of non-ODBC keywords
113 => 'Y', # SQL_LIKE_ESCAPE_CLAUSE - Supports LIKE...ESCAPE
78 => 1, # SQL_LOCK_TYPES - Only NO_CHANGE
10022 => 0, # SQL_MAX_ASYNC_CONCURRENT_STATEMENTS - No async mode
112 => 1_000_000, # SQL_MAX_BINARY_LITERAL_LEN - SQLITE_MAX_SQL_LENGTH
34 => 1_000_000, # SQL_MAX_CATALOG_NAME_LEN - SQLITE_MAX_SQL_LENGTH
108 => 1_000_000, # SQL_MAX_CHAR_LITERAL_LEN - SQLITE_MAX_SQL_LENGTH
97 => 2000, # SQL_MAX_COLUMNS_IN_GROUP_BY - SQLITE_MAX_COLUMN
98 => 2000, # SQL_MAX_COLUMNS_IN_INDEX - SQLITE_MAX_COLUMN
99 => 2000, # SQL_MAX_COLUMNS_IN_ORDER_BY - SQLITE_MAX_COLUMN
100 => 2000, # SQL_MAX_COLUMNS_IN_SELECT - SQLITE_MAX_COLUMN
101 => 2000, # SQL_MAX_COLUMNS_IN_TABLE - SQLITE_MAX_COLUMN
30 => 1_000_000, # SQL_MAX_COLUMN_NAME_LEN - SQLITE_MAX_SQL_LENGTH
1 => 1021, # SQL_MAX_CONCURRENT_ACTIVITIES - Typical filehandle limits
31 => 1_000_000, # SQL_MAX_CURSOR_NAME_LEN - SQLITE_MAX_SQL_LENGTH
0 => 1021, # SQL_MAX_DRIVER_CONNECTIONS - Typical filehandle limits
10005 => 1_000_000, # SQL_MAX_IDENTIFIER_LEN - SQLITE_MAX_SQL_LENGTH
102 => 2147483646*65536, # SQL_MAX_INDEX_SIZE - Tied to DB size, which is theortically 140TB
32 => 1_000_000, # SQL_MAX_OWNER_NAME_LEN - SQLITE_MAX_SQL_LENGTH
33 => 1_000_000, # SQL_MAX_PROCEDURE_NAME_LEN - SQLITE_MAX_SQL_LENGTH
34 => 1_000_000, # SQL_MAX_QUALIFIER_NAME_LEN - SQLITE_MAX_SQL_LENGTH
104 => 1_000_000, # SQL_MAX_ROW_SIZE - SQLITE_MAX_SQL_LENGTH (since INSERT has to be used)
103 => 'Y', # SQL_MAX_ROW_SIZE_INCLUDES_LONG
32 => 1_000_000, # SQL_MAX_SCHEMA_NAME_LEN - SQLITE_MAX_SQL_LENGTH
105 => 1_000_000, # SQL_MAX_STATEMENT_LEN - SQLITE_MAX_SQL_LENGTH
106 => 64, # SQL_MAX_TABLES_IN_SELECT - 64 tables, because of the bitmap in the query optimizer
35 => 1_000_000, # SQL_MAX_TABLE_NAME_LEN - SQLITE_MAX_SQL_LENGTH
107 => 0, # SQL_MAX_USER_NAME_LEN - No user support
37 => 'Y', # SQL_MULTIPLE_ACTIVE_TXN - Supports mulitple txns, though not nested
36 => 'N', # SQL_MULT_RESULT_SETS - No batches
111 => 'N', # SQL_NEED_LONG_DATA_LEN - Doesn't care about LONG
75 => 1, # SQL_NON_NULLABLE_COLUMNS - Supports NOT NULL
85 => 1, # SQL_NULL_COLLATION - NULLs first on ASC (low end)
49 => 4194304+1, # SQL_NUMERIC_FUNCTIONS - Just ABS & ROUND (has RANDOM, but not RAND)
9 => 1, # SQL_ODBC_API_CONFORMANCE - Same as sqlite3odbc.c
152 => 1, # SQL_ODBC_INTERFACE_CONFORMANCE - Same as sqlite3odbc.c
12 => 0, # SQL_ODBC_SAG_CLI_CONFORMANCE - Same as sqlite3odbc.c
15 => 0, # SQL_ODBC_SQL_CONFORMANCE - Same as sqlite3odbc.c
10 => '03.00', # SQL_ODBC_VER - Same as sqlite3odbc.c
115 => 1+8+16+32+64, # SQL_OJ_CAPABILITIES - Supports all OUTER JOINs except RIGHT & FULL
90 => 'N', # SQL_ORDER_BY_COLUMNS_IN_SELECT - ORDER BY columns don't have to be in the SELECT list
38 => 'Y', # SQL_OUTER_JOINS - Supports OUTER JOINs
153 => 2, # SQL_PARAM_ARRAY_ROW_COUNTS - Only has row counts for executed statements
154 => 3, # SQL_PARAM_ARRAY_SELECTS - No support for arrays of parameters
80 => 0, # SQL_POSITIONED_STATEMENTS - No support for positioned statements (WHERE CURRENT OF or SELECT FOR UPDATE)
79 => 31, # SQL_POS_OPERATIONS - Supports all SQLSetPos operations
21 => 'N', # SQL_PROCEDURES - No procedures
40 => '', # SQL_PROCEDURE_TERM - No procedures
93 => 4, # SQL_QUOTED_IDENTIFIER_CASE - Even quoted identifiers are case-insensitive
11 => 'N', # SQL_ROW_UPDATES - No fancy cursor update support
39 => '', # SQL_SCHEMA_TERM - No schemas
91 => 0, # SQL_SCHEMA_USAGE - No schemas
43 => 2, # SQL_SCROLL_CONCURRENCY - Updates/deletes on cursors lock the database
44 => 1+16, # SQL_SCROLL_OPTIONS - Only supports static & forward-only cursors
14 => '\\', # SQL_SEARCH_PATTERN_ESCAPE - Default escape character for LIKE is \
13 => \&sql_server_name, # SQL_SERVER_NAME - Just $dbh->{Name}
94 => '', # SQL_SPECIAL_CHARACTERS - Other drivers tend to stick to the ASCII/Latin-1 range, and SQLite uses all of
# the lower 7-bit punctuation for other things
155 => 7, # SQL_SQL92_DATETIME_FUNCTIONS - Supports CURRENT_(DATE|TIME|TIMESTAMP)
156 => 1+2+4+8, # SQL_SQL92_FOREIGN_KEY_DELETE_RULE - Support all ON DELETE options
157 => 1+2+4+8, # SQL_SQL92_FOREIGN_KEY_UPDATE_RULE - Support all ON UPDATE options
158 => 0, # SQL_SQL92_GRANT - No users; no support for GRANT
159 => 0, # SQL_SQL92_NUMERIC_VALUE_FUNCTIONS - No support for any of the listed functions
160 => 1+2+4+512+1024+2048+4096+8192, # SQL_SQL92_PREDICATES - Supports the important comparison operators
161 => 2+16+64+128, # SQL_SQL92_RELATIONAL_JOIN_OPERATORS - Supports the important ones except RIGHT/FULL OUTER JOINs
162 => 0, # SQL_SQL92_REVOKE - No users; no support for REVOKE
163 => 1+2+8, # SQL_SQL92_ROW_VALUE_CONSTRUCTOR - Supports most row value constructors
164 => 2+4, # SQL_SQL92_STRING_FUNCTIONS - Just UPPER & LOWER (has SUBSTR, but not SUBSTRING and SQL-92's weird TRIM syntax)
165 => 1+2+4+8, # SQL_SQL92_VALUE_EXPRESSIONS - Supports all SQL-92 value expressions
118 => 1, # SQL_SQL_CONFORMANCE - SQL-92 Entry level
83 => 0, # SQL_STATIC_SENSITIVITY - Cursors would lock the DB, so only old data is visible
50 => 8+16+256+1024+16384+131072, # SQL_STRING_FUNCTIONS - LTRIM, LENGTH, REPLACE, RTRIM, CHAR, SOUNDEX
95 => 1+2+4+8+16, # SQL_SUBQUERIES - Supports all of the subquery types
51 => 4, # SQL_SYSTEM_FUNCTIONS - Only IFNULL
45 => 'table', # SQL_TABLE_TERM - Tables are called tables
109 => 0, # SQL_TIMEDATE_ADD_INTERVALS - No support for INTERVAL
110 => 0, # SQL_TIMEDATE_DIFF_INTERVALS - No support for INTERVAL
52 => 0x20000+0x40000+0x80000, # SQL_TIMEDATE_FUNCTIONS - Only supports CURRENT_(DATE|TIME|TIMESTAMP)
46 => 2, # SQL_TXN_CAPABLE - Full transaction support for both DML & DDL
72 => 1+8, # SQL_TXN_ISOLATION_OPTION - Supports read uncommitted and serializable
96 => 1+2, # SQL_UNION - Supports UNION and UNION ALL
47 => '', # SQL_USER_NAME - No users
166 => 1, # SQL_STANDARD_CLI_CONFORMANCE - X/Open CLI Version 1.0
10000 => 1992, # SQL_XOPEN_CLI_YEAR - Year for V1.0
);
sub sql_dbms_ver {
my $dbh = shift;
return $dbh->FETCH('sqlite_version');
}
sub sql_data_source_name {
my $dbh = shift;
return "dbi:SQLite:".$dbh->{Name};
}
sub sql_data_source_read_only {
my $dbh = shift;
my $flags = $dbh->FETCH('sqlite_open_flags') || 0;
return $dbh->{ReadOnly} || ($flags & DBD::SQLite::OPEN_READONLY()) ? 'Y' : 'N';
}
sub sql_database_name {
my $dbh = shift;
my $databases = $dbh->selectall_hashref('PRAGMA database_list', 'seq');
return $databases->{0}{name};
}
sub sql_keywords {
# SQLite keywords minus ODBC keywords
return join ',', (qw<
ABORT AFTER ANALYZE ATTACH AUTOINCREMENT BEFORE CONFLICT DATABASE DETACH EACH EXCLUSIVE
EXPLAIN FAIL GLOB IF IGNORE INDEXED INSTEAD ISNULL LIMIT NOTNULL OFFSET
PLAN PRAGMA QUERY RAISE RECURSIVE REGEXP REINDEX RELEASE RENAME REPLACE ROW
SAVEPOINT TEMP TRIGGER VACUUM VIRTUAL WITHOUT
>);
}
sub sql_server_name {
my $dbh = shift;
return $dbh->{Name};
}
1;
__END__