-
Notifications
You must be signed in to change notification settings - Fork 397
Expand file tree
/
Copy pathClickHouseSchema.java
More file actions
228 lines (194 loc) · 8 KB
/
ClickHouseSchema.java
File metadata and controls
228 lines (194 loc) · 8 KB
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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
package sqlancer.clickhouse;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import ru.yandex.clickhouse.domain.ClickHouseDataType;
import sqlancer.Randomly;
import sqlancer.SQLConnection;
import sqlancer.clickhouse.ClickHouseProvider.ClickHouseGlobalState;
import sqlancer.clickhouse.ClickHouseSchema.ClickHouseTable;
import sqlancer.clickhouse.ast.ClickHouseConstant;
import sqlancer.common.schema.AbstractRelationalTable;
import sqlancer.common.schema.AbstractRowValue;
import sqlancer.common.schema.AbstractSchema;
import sqlancer.common.schema.AbstractTableColumn;
import sqlancer.common.schema.AbstractTables;
import sqlancer.common.schema.TableIndex;
public class ClickHouseSchema extends AbstractSchema<ClickHouseGlobalState, ClickHouseTable> {
public static class ClickHouseLancerDataType {
private final ClickHouseDataType clickHouseType;
private final String textRepr;
public ClickHouseLancerDataType(ClickHouseDataType type) {
this.clickHouseType = type;
this.textRepr = type.toString();
}
public ClickHouseLancerDataType(String textRepr) {
this.clickHouseType = ClickHouseDataType.fromTypeString(textRepr);
this.textRepr = textRepr;
}
public static ClickHouseLancerDataType getRandom() {
return new ClickHouseLancerDataType(
Randomly.fromOptions(ClickHouseDataType.Int32, ClickHouseDataType.String));
}
public ClickHouseDataType getType() {
return clickHouseType;
}
@Override
public String toString() {
return textRepr;
}
}
public static class ClickHouseColumn extends AbstractTableColumn<ClickHouseTable, ClickHouseLancerDataType> {
private final boolean isAlias;
private final boolean isMaterialized;
public ClickHouseColumn(String name, ClickHouseLancerDataType columnType, boolean isAlias,
boolean isMaterialized) {
super(name, null, columnType);
this.isAlias = isAlias;
this.isMaterialized = isMaterialized;
}
public static ClickHouseSchema.ClickHouseColumn createDummy(String name) {
return new ClickHouseSchema.ClickHouseColumn(name, ClickHouseLancerDataType.getRandom(), false, false);
}
public boolean isAlias() {
return isAlias;
}
public boolean isMaterialized() {
return isMaterialized;
}
}
public static ClickHouseConstant getConstant(ResultSet randomRowValues, int columnIndex,
ClickHouseDataType valueType) throws SQLException, AssertionError {
Object value;
ClickHouseConstant constant;
if (randomRowValues.getString(columnIndex) == null) {
constant = ClickHouseConstant.createNullConstant();
} else {
switch (valueType) {
case Int32:
value = randomRowValues.getLong(columnIndex);
constant = ClickHouseConstant.createInt32Constant((long) value);
break;
case Float64:
value = randomRowValues.getDouble(columnIndex);
constant = ClickHouseConstant.createFloat64Constant((double) value);
break;
case String:
value = randomRowValues.getString(columnIndex);
constant = ClickHouseConstant.createStringConstant((String) value);
break;
case Decimal32:
case Decimal64:
case Decimal128:
case Decimal:
case UUID:
case FixedString:
case Nothing:
case Nested:
case Tuple:
case Int16:
case Int8:
case Date:
case DateTime:
case Enum8:
case Enum16:
case Float32:
case Array:
case AggregateFunction:
case Unknown:
case IntervalYear:
case IntervalQuarter:
case IntervalMonth:
case IntervalWeek:
case IntervalDay:
case IntervalHour:
case IntervalMinute:
case IntervalSecond:
case UInt64:
case UInt32:
case UInt16:
case UInt8:
case Int64:
default:
throw new AssertionError(valueType);
}
}
return constant;
}
public static class ClickHouseRowValue
extends AbstractRowValue<ClickHouseTables, ClickHouseColumn, ClickHouseConstant> {
ClickHouseRowValue(ClickHouseSchema.ClickHouseTables tables,
Map<ClickHouseSchema.ClickHouseColumn, ClickHouseConstant> values) {
super(tables, values);
}
}
public static class ClickHouseTables extends AbstractTables<ClickHouseTable, ClickHouseColumn> {
public ClickHouseTables(List<ClickHouseSchema.ClickHouseTable> tables) {
super(tables);
}
}
public ClickHouseSchema(List<ClickHouseTable> databaseTables) {
super(databaseTables);
}
public ClickHouseTables getRandomTableNonEmptyTables() {
return new ClickHouseTables(Randomly.nonEmptySubset(getDatabaseTables()));
}
private static ClickHouseLancerDataType getColumnType(String typeString) {
return new ClickHouseLancerDataType(typeString);
}
public static class ClickHouseTable
extends AbstractRelationalTable<ClickHouseColumn, TableIndex, ClickHouseGlobalState> {
public ClickHouseTable(String tableName, List<ClickHouseColumn> columns, List<TableIndex> indexes,
boolean isView) {
super(tableName, columns, indexes, isView);
}
}
public static ClickHouseSchema fromConnection(SQLConnection con, String databaseName) throws SQLException {
List<ClickHouseTable> databaseTables = new ArrayList<>();
List<String> tableNames = getTableNames(con);
for (String tableName : tableNames) {
List<ClickHouseColumn> databaseColumns = getTableColumns(con, tableName);
List<TableIndex> indexes = Collections.emptyList();
boolean isView = tableName.startsWith("v");
ClickHouseTable t = new ClickHouseTable(tableName, databaseColumns, indexes, isView);
for (ClickHouseColumn c : databaseColumns) {
c.setTable(t);
}
databaseTables.add(t);
}
return new ClickHouseSchema(databaseTables);
}
private static List<String> getTableNames(SQLConnection con) throws SQLException {
List<String> tableNames = new ArrayList<>();
try (Statement s = con.createStatement()) {
ResultSet tableRs = s.executeQuery("SHOW TABLES");
while (tableRs.next()) {
String tableName = tableRs.getString(1);
tableNames.add(tableName);
}
}
return tableNames;
}
private static List<ClickHouseColumn> getTableColumns(SQLConnection con, String tableName) throws SQLException {
List<ClickHouseColumn> columns = new ArrayList<>();
try (Statement s = con.createStatement()) {
try (ResultSet rs = s.executeQuery("DESCRIBE " + tableName)) {
while (rs.next()) {
String columnName = rs.getString("name");
String dataType = rs.getString("type");
String defaultType = rs.getString("default_type");
boolean isAlias = "ALIAS".compareTo(defaultType) == 0;
boolean isMaterialized = "MATERIALIZED".compareTo(defaultType) == 0;
ClickHouseColumn c = new ClickHouseColumn(columnName, getColumnType(dataType), isAlias,
isMaterialized);
columns.add(c);
}
}
}
return columns;
}
}