all repos — litestore @ 6921c719266e8c309f20f2947dc6228c7293d769

A minimalist nosql document store.

lib/queries.nim

 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
import db_sqlite


# SQL QUERIES

const SQL_CREATE_DOCUMENTS_TABLE* = sql"""
CREATE TABLE documents (
docid INTEGER PRIMARY KEY,
id TEST,
data TEXT,
content_type TEXT,
binary INTEGER,
searchable INTEGER,
created TEXT,
modified TEXT)
"""
const
  SQL_CREATE_INDEX_DOCUMENTS_DOCID* = sql"CREATE INDEX IF NOT EXISTS documents_docid ON documents(docid)"
  SQL_CREATE_INDEX_DOCUMENTS_ID* = sql"CREATE INDEX IF NOT EXISTS documents_id ON documents(id)"
  SQL_CREATE_INDEX_TAGS_DOCUMENT_ID* = sql"CREATE INDEX IF NOT EXISTS tags_document_id ON tags(document_id)"
  SQL_CREATE_INDEX_TAGS_TAG_ID* = sql"CREATE INDEX IF NOT EXISTS tags_tag_id ON tags(tag_id)"

  SQL_DROP_INDEX_DOCUMENTS_DOCID* = sql"DROP INDEX IF EXISTS documents_docid" 
  SQL_DROP_INDEX_DOCUMENTS_ID* = sql"DROP INDEX IF EXISTS documents_id"
  SQL_DROP_INDEX_TAGS_DOCUMENT_ID* = sql"DROP INDEX IF EXISTS tags_document_id"
  SQL_DROP_INDEX_TAGS_TAG_ID* = sql"DROP INDEX IF EXISTS tags_tag_id"
  
  SQL_REINDEX* = sql"REINDEX"
  SQL_OPTIMIZE* = sql"INSERT INTO searchdata(searchdata) VALUES('optimize')"
  SQL_REBUILD* = sql"INSERT INTO searchdata(searchdata) VALUES('rebuild')"
  
  SQL_VACUUM* = sql"VACUUM"

const SQL_CREATE_SEARCHDATA_TABLE* = sql"""
CREATE VIRTUAL TABLE searchdata USING fts4(
id TEXT,
data TEXT, 
tokenize=porter)
"""

const SQL_CREATE_TAGS_TABLE* = sql"""
CREATE TABLE tags (
tag_id TEXT,
document_id TEXT,
PRIMARY KEY (tag_id, document_id))
"""

const SQL_CREATE_INFO_TABLE* = sql"""
CREATE TABLE info (
version INT,
total_documents INT)
"""

const SQL_INSERT_INFO* = sql"""
INSERT INTO info
(version, total_documents)
VALUES (?, ?)
"""

const SQL_SELECT_INFO* = sql"""
SELECT * FROM info
"""

const SQL_INCREMENT_DOCS* = sql"""
UPDATE info
SET total_documents = total_documents + 1
"""

const SQL_DECREMENT_DOCS* = sql"""
UPDATE info
SET total_documents = total_documents - 1
"""

const SQL_INSERT_DOCUMENT* = sql"""
INSERT INTO documents
(id, data, content_type, binary, searchable, created)
VALUES (?, ?, ?, ?, ?, ?)
"""

const SQL_UPDATE_DOCUMENT* = sql"""
UPDATE documents
SET data = ?,
content_type = ?,
binary = ?,
searchable = ?,
modified = ?
WHERE id = ?
"""

const SQL_SET_DOCUMENT_MODIFIED* = sql"""
UPDATE documents
SET modified = ?
WHERE id = ?
"""

const SQL_DELETE_DOCUMENT* = sql"""
DELETE FROM documents
WHERE id = ? 
"""

const SQL_INSERT_TAG* = sql"""
INSERT INTO tags
(tag_id, document_id)
VALUES (?, ?)
"""

const SQL_DELETE_TAG* = sql"""
DELETE FROM tags
WHERE tag_id = ? AND document_id = ?
"""

const SQL_DELETE_DOCUMENT_TAGS* = sql"""
DELETE FROM tags
WHERE document_id = ?
"""

const SQL_SELECT_DOCUMENT_TAGS* = sql"""
SELECT tag_id FROM tags
WHERE document_id = ?
"""

const SQL_DELETE_DOCUMENT_SYSTEM_TAGS* = sql"""
DELETE FROM tags WHERE
document_id = ? AND tag_id LIKE "$%"
"""

const SQL_INSERT_SEARCHCONTENT* = sql"""
INSERT INTO searchdata
(docid, id, data)
VALUES (?, ?, ?)
"""

const SQL_DELETE_SEARCHCONTENT* = sql"""
DELETE FROM searchdata WHERE
id = ?
"""

const SQL_UPDATE_SEARCHCONTENT* = sql"""
UPDATE searchdata
SET data = ?
WHERE id = ?
"""

const SQL_SELECT_DOCUMENTS_BY_TAG* = sql"""
SELECT * FROM documents, tags
WHERE documents.id = tags.document_id AND
tag_id = ?
"""

const SQL_SELECT_DOCUMENT_IDS_BY_TAG* = sql"""
SELECT id FROM documents, tags
WHERE documents.id = tags.document_id AND
tag_id = ?
"""

const SQL_SELECT_TAGS_WITH_TOTALS* = sql"""
SELECT DISTINCT tag_id, COUNT(document_id) 
FROM tags GROUP BY tag_id ORDER BY tag_id ASC
"""

const SQL_COUNT_TAGS* = sql"""
SELECT COUNT(DISTINCT tag_id) FROM tags 
"""

const SQL_COUNT_DOCUMENTS* = sql"""
SELECT COUNT(docid) FROM documents 
"""

const SQL_DELETE_DOCUMENTS_BY_TAG* = sql"""
DELETE FROM documents
WHERE documents.id IN 
(SELECT document_id FROM tags WHERE tag_id = ?)
"""

const SQL_DELETE_SEARCHDATA_BY_TAG* = sql"""
DELETE FROM searchdata
WHERE id IN 
(SELECT document_id FROM tags WHERE tag_id = ?)
"""

const SQL_DELETE_TAGS_BY_TAG* = sql"""
DELETE FROM tags
WHERE document_id IN 
(SELECT document_id FROM tags WHERE tag_id = ?)
"""