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sqlite.pegjs
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2577 lines (2299 loc) · 61.4 KB
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{
const reservedMap = {
'ALTER': true,
'ALL': true,
'ADD': true,
'AND': true,
'AS': true,
'ASC': true,
'BETWEEN': true,
'BY': true,
'CALL': true,
'CASE': true,
'CREATE': true,
'CONTAINS': true,
'CURRENT_DATE': true,
'CURRENT_TIME': true,
'CURRENT_TIMESTAMP': true,
'CURRENT_USER': true,
'DELETE': true,
'DESC': true,
'DISTINCT': true,
'DROP': true,
'ELSE': true,
'END': true,
'EXISTS': true,
'EXPLAIN': true,
'FALSE': true,
'FROM': true,
'FULL': true,
'GROUP': true,
'HAVING': true,
'IN': true,
'INNER': true,
'INSERT': true,
'INTO': true,
'IS': true,
'JOIN': true,
// 'JSON': true,
'KEY': true,
'LEFT': true,
'LIKE': true,
'LIMIT': true,
'LOW_PRIORITY': true, // for lock table
'NOT': true,
'NULL': true,
'ON': true,
'OR': true,
'ORDER': true,
'OUTER': true,
'RECURSIVE': true,
'RENAME': true,
'READ': true, // for lock table
'RIGHT': true,
'SELECT': true,
'SESSION_USER': true,
'SET': true,
'SHOW': true,
'SYSTEM_USER': true,
'TABLE': true,
'THEN': true,
'TRUE': true,
'TRUNCATE': true,
// 'TYPE': true, // reserved (MySQL)
'UNION': true,
'UPDATE': true,
'USING': true,
'VALUES': true,
'WITH': true,
'WHEN': true,
'WHERE': true,
'WRITE': true, // for lock table
'GLOBAL': true,
'SESSION': true,
'LOCAL': true,
'PERSIST': true,
'PERSIST_ONLY': true,
};
function createUnaryExpr(op, e) {
return {
type: 'unary_expr',
operator: op,
expr: e
};
}
function createBinaryExpr(op, left, right) {
return {
type: 'binary_expr',
operator: op,
left: left,
right: right
};
}
function isBigInt(numberStr) {
const previousMaxSafe = BigInt(Number.MAX_SAFE_INTEGER)
const num = BigInt(numberStr)
if (num < previousMaxSafe) return false
return true
}
function createList(head, tail, po = 3) {
const result = [head];
for (let i = 0; i < tail.length; i++) {
delete tail[i][po].tableList
delete tail[i][po].columnList
result.push(tail[i][po]);
}
return result;
}
function createBinaryExprChain(head, tail) {
let result = head;
for (let i = 0; i < tail.length; i++) {
result = createBinaryExpr(tail[i][1], result, tail[i][3]);
}
return result;
}
function queryTableAlias(tableName) {
const alias = tableAlias[tableName]
if (alias) return alias
if (tableName) return tableName
return null
}
function columnListTableAlias(columnList) {
const newColumnsList = new Set()
const symbolChar = '::'
for(let column of columnList.keys()) {
const columnInfo = column.split(symbolChar)
if (!columnInfo) {
newColumnsList.add(column)
break
}
if (columnInfo && columnInfo[1]) columnInfo[1] = queryTableAlias(columnInfo[1])
newColumnsList.add(columnInfo.join(symbolChar))
}
return Array.from(newColumnsList)
}
function refreshColumnList(columnList) {
const columns = columnListTableAlias(columnList)
columnList.clear()
columns.forEach(col => columnList.add(col))
}
const cmpPrefixMap = {
'+': true,
'-': true,
'*': true,
'/': true,
'>': true,
'<': true,
'!': true,
'=': true,
//between
'B': true,
'b': true,
//for is or in
'I': true,
'i': true,
//for like
'L': true,
'l': true,
//for not
'N': true,
'n': true
};
// used for dependency analysis
let varList = [];
const tableList = new Set();
const columnList = new Set();
const tableAlias = {};
}
start
= __ n:(multiple_stmt / cmd_stmt / crud_stmt) {
return n
}
cmd_stmt
= analyze_stmt
/ attach_stmt
/ drop_stmt
/ create_stmt
/ truncate_stmt
/ rename_stmt
/ call_stmt
/ use_stmt
/ alter_stmt
/ set_stmt
/ lock_stmt
/ unlock_stmt
/ show_stmt
/ desc_stmt
create_stmt
= create_table_stmt
/ create_db_stmt
alter_stmt
= alter_table_stmt
crud_stmt
= union_stmt
/ update_stmt
/ replace_insert_stmt
/ insert_no_columns_stmt
/ insert_into_set
/ delete_stmt
/ cmd_stmt
/ proc_stmts
multiple_stmt
= head:crud_stmt tail:(__ SEMICOLON __ crud_stmt)+ {
const cur = [head && head.ast || head];
for (let i = 0; i < tail.length; i++) {
if(!tail[i][3] || tail[i][3].length === 0) continue;
cur.push(tail[i][3] && tail[i][3].ast || tail[i][3]);
}
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: cur
}
}
union_stmt
= head:select_stmt tail:(__ KW_UNION __ KW_ALL? __ select_stmt)* __ ob: order_by_clause? __ l:limit_clause? {
let cur = head
for (let i = 0; i < tail.length; i++) {
cur._next = tail[i][5]
cur.union = tail[i][3] ? 'union all' : 'union'
cur = cur._next
}
if(ob) head._orderby = ob
if(l) head._limit = l
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: head
}
}
create_db_definition
= head:create_option_character_set tail:(__ create_option_character_set)* {
return createList(head, tail, 1)
}
create_db_stmt
= a:KW_CREATE __
k:(KW_DATABASE / KW_SCHEME) __
ife:KW_IF_NOT_EXISTS? __
t:ident_name __
c:create_db_definition? {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: a[0].toLowerCase(),
keyword: 'database',
if_not_exists: ife && ife[0].toLowerCase(),
database: t,
create_definitions: c,
}
}
}
create_table_stmt
= a:KW_CREATE __
tp:KW_TEMPORARY? __
KW_TABLE __
ife:KW_IF_NOT_EXISTS? __
t:table_name __
c:create_table_definition? __
to:table_options? __
ir: (KW_IGNORE / KW_REPLACE)? __
as: KW_AS? __
qe: union_stmt? {
if(t) tableList.add(`create::${t.db}::${t.table}`)
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: a[0].toLowerCase(),
keyword: 'table',
temporary: tp && tp[0].toLowerCase(),
if_not_exists: ife && ife[0].toLowerCase(),
table: [t],
ignore_replace: ir && ir[0].toLowerCase(),
as: as && as[0].toLowerCase(),
query_expr: qe && qe.ast,
create_definitions: c,
table_options: to
}
}
}
/ a:KW_CREATE __
tp:KW_TEMPORARY? __
KW_TABLE __
ife:KW_IF_NOT_EXISTS? __
t:table_name __
lt:create_like_table {
if(t) tableList.add(`create::${t.db}::${t.table}`)
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: a[0].toLowerCase(),
keyword: 'table',
temporary: tp && tp[0].toLowerCase(),
if_not_exists: ife && ife[0].toLowerCase(),
table: [t],
like: lt
}
}
}
create_like_table_simple
= KW_LIKE __ t: table_ref_list {
return {
type: 'like',
table: t
}
}
create_like_table
= create_like_table_simple
/ LPAREN __ e:create_like_table __ RPAREN {
e.parentheses = true;
return e;
}
create_table_definition
= LPAREN __ head:create_definition tail:(__ COMMA __ create_definition)* __ RPAREN {
return createList(head, tail);
}
create_definition
= create_constraint_definition
/ create_column_definition
/ create_index_definition
/ create_fulltext_spatial_index_definition
create_column_definition
= c:column_ref __
d:data_type __
n:(literal_not_null / literal_null)? __
df:default_expr? __
a:('AUTO_INCREMENT'i)? __
u:(('UNIQUE'i / 'PRIMARY'i)? __ 'KEY'i)? __
co:keyword_comment? __
ca:collate_expr? __
cf:column_format? __
s:storage? __
re:reference_definition? {
columnList.add(`create::${c.table}::${c.column}`)
if (n && !n.value) n.value = 'null'
return {
column: c,
definition: d,
nullable: n,
default_val: df,
auto_increment: a && a.toLowerCase(),
unique_or_primary: u && `${u[0].toLowerCase()} ${u[2].toLowerCase()}`,
comment: co,
collate: ca,
column_format: cf,
storage:s,
reference_definition: re,
resource: 'column'
}
}
collate_expr
= KW_COLLATE __ s:KW_ASSIGIN_EQUAL? __ ca:ident_name {
return {
type: 'collate',
symbol: s,
value: ca,
}
}
column_format
= k:'COLUMN_FORMAT'i __ f:('FIXED'i / 'DYNAMIC'i / 'DEFAULT'i) {
return {
type: 'column_format',
value: f.toLowerCase()
}
}
storage
= k:'STORAGE'i __ s:('DISK'i / 'MEMORY'i) {
return {
type: 'storage',
value: s.toLowerCase()
}
}
default_expr
= KW_DEFAULT __ ce: (literal / expr) {
return {
type: 'default',
value: ce
}
}
analyze_stmt
= a:KW_ANALYZE __ t:table_name __ {
tableList.add(`${a}::${t.db}::${t.table}`);
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: a.toLowerCase(),
table: t
}
};
}
attach_stmt
= a:KW_ATTACH __ db: KW_DATABASE __ e:expr __ as:KW_AS __ schema:ident __ {
// tableList.add(`${a}::${t.db}::${t.table}`);
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: a.toLowerCase(),
database: db,
expr: e,
as: as && as[0].toLowerCase(),
schema,
}
};
}
drop_index_opt
= head:(ALTER_ALGORITHM / ALTER_LOCK) tail:(__ (ALTER_ALGORITHM / ALTER_LOCK))* {
return createList(head, tail, 1)
}
drop_stmt
= a:KW_DROP __
r:KW_TABLE __
t:table_ref_list {
if(t) t.forEach(tt => tableList.add(`${a}::${tt.db}::${tt.table}`));
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: a.toLowerCase(),
keyword: r.toLowerCase(),
name: t
}
};
}
/ a:KW_DROP __
r:KW_INDEX __
i:column_ref __
KW_ON __
t:table_name __
op:drop_index_opt? __ {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: a.toLowerCase(),
keyword: r.toLowerCase(),
name: i,
table: t,
options: op
}
};
}
truncate_stmt
= a:KW_TRUNCATE __
kw:KW_TABLE? __
t:table_ref_list {
if(t) t.forEach(tt => tableList.add(`${a}::${tt.db}::${tt.table}`));
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: a.toLowerCase(),
keyword: kw && kw.toLowerCase() || 'table',
name: t
}
};
}
use_stmt
= KW_USE __
d:ident {
tableList.add(`use::${d}::null`);
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'use',
db: d
}
};
}
alter_table_stmt
= KW_ALTER __
KW_TABLE __
t:table_ref_list __
e:alter_action_list {
if (t && t.length > 0) t.forEach(table => tableList.add(`alter::${table.db}::${table.table}`));
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'alter',
table: t,
expr: e
}
};
}
alter_action_list
= head:alter_action tail:(__ COMMA __ alter_action)* {
return createList(head, tail);
}
alter_action
= ALTER_ADD_COLUMN
/ ALTER_DROP_COLUMN
/ ALTER_RENAME_TABLE
ALTER_ADD_COLUMN
= KW_ADD __
kc:KW_COLUMN? __
cd:create_column_definition {
return {
action: 'add',
...cd,
keyword: kc,
resource: 'column',
type: 'alter',
}
}
ALTER_DROP_COLUMN
= KW_DROP __
kc:KW_COLUMN? __
c:column_ref {
return {
action: 'drop',
column: c,
keyword: kc,
resource: 'column',
type: 'alter',
}
}
ALTER_RENAME_TABLE
= KW_RENAME __
kw:(KW_TO / KW_AS)? __
tn:ident {
return {
action: 'rename',
type: 'alter',
resource: 'table',
keyword: kw && kw[0].toLowerCase(),
table: tn
}
}
ALTER_ALGORITHM
= "ALGORITHM"i __ s:KW_ASSIGIN_EQUAL? __ val:("DEFAULT"i / "INSTANT"i / "INPLACE"i / "COPY"i) {
return {
type: 'alter',
keyword: 'algorithm',
resource: 'algorithm',
symbol: s,
algorithm: val
}
}
ALTER_LOCK
= "LOCK"i __ s:KW_ASSIGIN_EQUAL? __ val:("DEFAULT"i / "NONE"i / "SHARED"i / "EXCLUSIVE"i) {
return {
type: 'alter',
keyword: 'lock',
resource: 'lock',
symbol: s,
lock: val
}
}
create_index_definition
= kc:(KW_INDEX / KW_KEY) __
c:column? __
t:index_type? __
de:cte_column_definition __
id:index_options? __
{
return {
index: c,
definition: de,
keyword: kc.toLowerCase(),
index_type: t,
resource: 'index',
index_options: id,
}
}
create_fulltext_spatial_index_definition
= p: (KW_FULLTEXT / KW_SPATIAL) __
kc:(KW_INDEX / KW_KEY)? __
c:column? __
de: cte_column_definition __
id: index_options? __
{
return {
index: c,
definition: de,
keyword: kc && `${p.toLowerCase()} ${kc.toLowerCase()}` || p.toLowerCase(),
index_options: id,
resource: 'index',
}
}
create_constraint_definition
= create_constraint_primary
/ create_constraint_unique
/ create_constraint_foreign
/ create_constraint_check
constraint_name
= kc:KW_CONSTRAINT __
c:ident? {
return {
keyword: kc.toLowerCase(),
constraint: c
}
}
create_constraint_primary
= kc:constraint_name? __
p:('PRIMARY'i __ 'KEY'i) __
t:index_type? __
de:cte_column_definition __
id:index_options? {
return {
constraint: kc && kc.constraint,
definition: de,
constraint_type: `${p[0].toLowerCase()} ${p[2].toLowerCase()}`,
keyword: kc && kc.keyword,
index_type: t,
resource: 'constraint',
index_options: id,
}
}
create_constraint_unique
= kc:constraint_name? __
u:KW_UNIQUE __
p:(KW_INDEX / KW_KEY)? __
i:column? __
t:index_type? __
de:cte_column_definition __
id:index_options? {
return {
constraint: kc && kc.constraint,
definition: de,
constraint_type: p && `${u.toLowerCase()} ${p.toLowerCase()}` || u.toLowerCase(),
keyword: kc && kc.keyword,
index_type: t,
index: i,
resource: 'constraint',
index_options: id
}
}
create_constraint_check
= kc:constraint_name? __ u:'CHECK'i __ nfr:('NOT'i __ 'FOR'i __ 'REPLICATION'i __)? LPAREN __ c:expr __ RPAREN {
return {
constraint_type: u.toLowerCase(),
keyword: kc && kc.keyword,
constraint: kc && kc.constraint,
index_type: nfr && { keyword: 'not for replication' },
definition: [c],
resource: 'constraint',
}
}
create_constraint_foreign
= kc:constraint_name? __
p:('FOREIGN KEY'i) __
i:column? __
de:cte_column_definition __
id:reference_definition? {
return {
constraint: kc && kc.constraint,
definition: de,
constraint_type: p,
keyword: kc && kc.keyword,
index: i,
resource: 'constraint',
reference_definition: id
}
}
reference_definition
= kc:KW_REFERENCES __
t:table_ref_list __
de:cte_column_definition __
m:('MATCH FULL'i / 'MATCH PARTIAL'i / 'MATCH SIMPLE'i)? __
od:on_reference? __
ou:on_reference? {
return {
definition: de,
table: t,
keyword: kc.toLowerCase(),
match:m && m.toLowerCase(),
on_delete: od,
on_update: ou,
}
}
on_reference
= on_kw:'ON'i __ kw: ('DELETE'i / 'UPDATE'i) __ ro:reference_option {
return {
type: `${on_kw.toLowerCase()} ${kw.toLowerCase()}`,
value: ro
}
}
reference_option
= kc:('RESTRICT'i / 'CASCADE'i / 'SET NULL'i / 'NO ACTION'i / 'SET DEFAULT'i) {
return kc.toLowerCase()
}
table_options
= head:table_option tail:(__ COMMA? __ table_option)* {
return createList(head, tail)
}
create_option_character_set_kw
= 'CHARACTER'i __ 'SET'i {
return 'CHARACTER SET'
}
create_option_character_set
= kw:KW_DEFAULT? __ t:(create_option_character_set_kw / 'CHARSET'i / 'COLLATE'i) __ s:(KW_ASSIGIN_EQUAL)? __ v:ident_name {
return {
keyword: kw && `${kw[0].toLowerCase()} ${t.toLowerCase()}` || t.toLowerCase(),
symbol: s,
value: v
}
}
table_option
= kw:('AUTO_INCREMENT'i / 'AVG_ROW_LENGTH'i / 'KEY_BLOCK_SIZE'i / 'MAX_ROWS'i / 'MIN_ROWS'i / 'STATS_SAMPLE_PAGES'i) __ s:(KW_ASSIGIN_EQUAL)? __ v:literal_numeric {
return {
keyword: kw.toLowerCase(),
symbol: s,
value: v.value
}
}
/ create_option_character_set
/ kw:(KW_COMMENT / 'CONNECTION'i) __ s:(KW_ASSIGIN_EQUAL)? __ c:literal_string {
return {
keyword: kw.toLowerCase(),
symbol: s,
value: `'${c.value}'`
}
}
/ kw:'COMPRESSION'i __ s:(KW_ASSIGIN_EQUAL)? __ v:("'"('ZLIB'i / 'LZ4'i / 'NONE'i)"'") {
return {
keyword: kw.toLowerCase(),
symbol: s,
value: v.join('').toUpperCase()
}
}
/ kw:'ENGINE'i __ s:(KW_ASSIGIN_EQUAL)? __ c:ident_name {
return {
keyword: kw.toLowerCase(),
symbol: s,
value: c.toUpperCase()
}
}
rename_stmt
= KW_RENAME __
KW_TABLE __
t:table_to_list {
t.forEach(tg => tg.forEach(dt => dt.table && tableList.add(`rename::${dt.db}::${dt.table}`)))
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'rename',
table: t
}
};
}
set_stmt
= KW_SET __
kw: (KW_GLOBAL / KW_SESSION / KW_LOCAL / KW_PERSIST / KW_PERSIST_ONLY)? __
a: assign_stmt {
a.keyword = kw
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'set',
expr: a
}
}
}
unlock_stmt
= KW_UNLOCK __ KW_TABLES {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'unlock',
keyword: 'tables'
}
}
}
lock_type
= "READ"i __ s:("LOCAL"i)? {
return {
type: 'read',
suffix: s && 'local'
}
}
/ p:("LOW_PRIORITY"i)? __ "WRITE"i {
return {
type: 'write',
prefix: p && 'low_priority'
}
}
lock_table
= t:table_base __ lt:lock_type {
tableList.add(`lock::${t.db}::${t.table}`)
return {
table: t,
lock_type: lt
}
}
lock_table_list
= head:lock_table tail:(__ COMMA __ lock_table)* {
return createList(head, tail);
}
lock_stmt
= KW_LOCK __ KW_TABLES __ ltl:lock_table_list {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'lock',
keyword: 'tables',
tables: ltl
}
}
}
call_stmt
= KW_CALL __
e: proc_func_call {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'call',
expr: e
}
}
}
show_stmt
= KW_SHOW __ t:('BINARY'i / 'MASTER'i) __ 'LOGS'i {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'show',
suffix: 'logs',
keyword: t.toLowerCase()
}
}
}
/ KW_SHOW __ 'BINLOG'i __ 'EVENTS'i __ ins:in_op_right? __ from: from_clause? __ limit: limit_clause? {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'show',
suffix: 'events',
keyword: 'binlog',
in: ins,
from,
limit,
}
}
}
/ KW_SHOW __ k:(('CHARACTER'i __ 'SET'i) / 'COLLATION'i) __ e:(like_op_right / where_clause)? {
let keyword = Array.isArray(k) && k || [k]
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'show',
suffix: keyword[2] && keyword[2].toLowerCase(),
keyword: keyword[0].toLowerCase(),
expr: e
}
}
}
/ show_grant_stmt
show_grant_stmt
= KW_SHOW __ 'GRANTS'i __ f:show_grant_for? {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'show',
keyword: 'grants',
for: f,
}
}
}
show_grant_for
= 'FOR'i __ n:ident __ h:(KW_VAR__PRE_AT __ ident)? __ u:show_grant_for_using? {
return {
user: n,
host: h && h[2],
role_list: u
}
}
show_grant_for_using
= KW_USING __ l:show_grant_for_using_list {
return l
}
show_grant_for_using_list
= head:ident tail:(__ COMMA __ ident)* {
return createList(head, tail);
}
desc_stmt
= (KW_DESC / KW_DESCRIBE) __ t:ident {
return {
tableList: Array.from(tableList),
columnList: columnListTableAlias(columnList),
ast: {
type: 'desc',
table: t
}
};
}
select_stmt
= select_stmt_nake
/ s:('(' __ select_stmt __ ')') {
return {
...s[2],
parentheses_symbol: true,
}
}
with_clause
= KW_WITH __ head:cte_definition tail:(__ COMMA __ cte_definition)* {
return createList(head, tail);
}
/ __ KW_WITH __ KW_RECURSIVE __ cte:cte_definition {
cte.recursive = true;
return [cte]