Revision 46100
trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.api/src/main/java/org/gvsig/fmap/dal/DataManager.java | ||
---|---|---|
101 | 101 |
public static final String FUNCTION_INSERT_INTO_TABLE = "INSERT_INTO_TABLE"; |
102 | 102 |
public static final String FUNCTION_CREATE_TABLE = "CREATE_TABLE"; |
103 | 103 |
public static final String FUNCTION_CREATE_TABLE_STRUCTURE = "CREATE_TABLE_STRUCTURE"; |
104 |
public static final String FUNCTION_SELECT_FROM_SELECTION = "SELECTFROMSELECTION"; |
|
105 |
public static final String FUNCTION_SELECT_COUNT_FROM_SELECTION = "SELECTCOUNTFROMSELECTION"; |
|
104 | 106 |
|
105 | 107 |
public static final String DAL_PREFERRED_COLUMNS = "DAL.Preferred.Columns"; |
106 | 108 |
|
trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/expressionevaluator/impl/symboltable/DALSymbolTable.java | ||
---|---|---|
36 | 36 |
import org.gvsig.expressionevaluator.impl.function.dataaccess.InsertIntoTableFunction; |
37 | 37 |
import org.gvsig.expressionevaluator.impl.function.dataaccess.IsSelectedCurrentRowFunction; |
38 | 38 |
import org.gvsig.expressionevaluator.impl.function.dataaccess.RowTagFunction; |
39 |
import org.gvsig.expressionevaluator.impl.function.dataaccess.SelectCountFromSelectionFunction; |
|
39 | 40 |
import org.gvsig.expressionevaluator.impl.function.dataaccess.SelectCountFunction; |
41 |
import org.gvsig.expressionevaluator.impl.function.dataaccess.SelectFromSelectionFunction; |
|
40 | 42 |
import org.gvsig.expressionevaluator.impl.function.dataaccess.SelectFunction; |
41 | 43 |
import org.gvsig.expressionevaluator.impl.function.dataaccess.SetRowTagFunction; |
42 | 44 |
import org.gvsig.expressionevaluator.spi.AbstractSymbolTable; |
... | ... | |
71 | 73 |
this.addFunction(new SetRowTagFunction()); |
72 | 74 |
this.addFunction(new CreateTableFunction()); |
73 | 75 |
this.addFunction(new CreateTableStructureFunction()); |
74 |
} |
|
76 |
this.addFunction(new SelectFromSelectionFunction()); |
|
77 |
this.addFunction(new SelectCountFromSelectionFunction()); |
|
78 |
} |
|
75 | 79 |
} |
trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/expressionevaluator/impl/function/dataaccess/SelectFunction.java | ||
---|---|---|
23 | 23 |
*/ |
24 | 24 |
package org.gvsig.expressionevaluator.impl.function.dataaccess; |
25 | 25 |
|
26 |
import java.util.ArrayList; |
|
27 |
import java.util.HashSet; |
|
28 | 26 |
import java.util.List; |
29 |
import java.util.Objects; |
|
30 |
import java.util.Set; |
|
31 | 27 |
import org.apache.commons.lang3.Range; |
32 |
import org.apache.commons.lang3.StringUtils; |
|
33 |
import org.apache.commons.lang3.tuple.ImmutablePair; |
|
34 |
import org.apache.commons.lang3.tuple.Pair; |
|
35 | 28 |
import org.gvsig.expressionevaluator.Code; |
36 |
import org.gvsig.expressionevaluator.CodeBuilder; |
|
37 | 29 |
import org.gvsig.expressionevaluator.Codes; |
38 |
import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_GETATTR; |
|
39 |
import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_TUPLE; |
|
40 | 30 |
import org.gvsig.expressionevaluator.ExpressionRuntimeException; |
41 |
import org.gvsig.expressionevaluator.ExpressionUtils; |
|
42 | 31 |
import org.gvsig.expressionevaluator.Interpreter; |
43 | 32 |
import org.gvsig.expressionevaluator.Optimizer; |
44 |
import org.gvsig.expressionevaluator.SymbolTable; |
|
45 | 33 |
import org.gvsig.expressionevaluator.impl.DALFunctions; |
46 | 34 |
import static org.gvsig.fmap.dal.DataManager.FUNCTION_SELECT; |
47 |
import org.gvsig.fmap.dal.DataStore; |
|
48 | 35 |
import org.gvsig.expressionevaluator.ExpressionEvaluator; |
49 |
import static org.gvsig.fmap.dal.expressionevaluator.FeatureSymbolTable.SYMBOL_CURRENT_TABLE; |
|
50 |
import org.gvsig.fmap.dal.expressionevaluator.TableAttributeHandler; |
|
51 | 36 |
import org.gvsig.fmap.dal.feature.Feature; |
52 | 37 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
53 | 38 |
import org.gvsig.fmap.dal.feature.FeatureQueryOrder; |
... | ... | |
136 | 121 |
queryOrder.add(member, mode); |
137 | 122 |
} |
138 | 123 |
} |
139 |
FeatureStore featureStore = null;
|
|
124 |
FeatureStore featureStore; |
|
140 | 125 |
try { |
141 | 126 |
featureStore = this.getFeatureStore(storeName); |
142 | 127 |
if (featureStore == null) { |
... | ... | |
165 | 150 |
} catch (ExpressionRuntimeException ex) { |
166 | 151 |
throw ex; |
167 | 152 |
} catch (Exception ex) { |
168 |
throw new ExpressionRuntimeException("Problems calling '" + FUNCTION_SELECT + "' function", ex);
|
|
153 |
throw new ExpressionRuntimeException("Problems calling '" + this.name() + "' function", ex);
|
|
169 | 154 |
} |
170 | 155 |
} |
171 | 156 |
|
trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/expressionevaluator/impl/function/dataaccess/SelectCountFromSelectionFunction.java | ||
---|---|---|
1 |
/** |
|
2 |
* gvSIG. Desktop Geographic Information System. |
|
3 |
* |
|
4 |
* Copyright (C) 2007-2020 gvSIG Association. |
|
5 |
* |
|
6 |
* This program is free software; you can redistribute it and/or |
|
7 |
* modify it under the terms of the GNU General Public License |
|
8 |
* as published by the Free Software Foundation; either version 3 |
|
9 |
* of the License, or (at your option) any later version. |
|
10 |
* |
|
11 |
* This program is distributed in the hope that it will be useful, |
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
14 |
* GNU General Public License for more details. |
|
15 |
* |
|
16 |
* You should have received a copy of the GNU General Public License |
|
17 |
* along with this program; if not, write to the Free Software |
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
19 |
* MA 02110-1301, USA. |
|
20 |
* |
|
21 |
* For any additional information, do not hesitate to contact us |
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com. |
|
23 |
*/ |
|
24 |
package org.gvsig.expressionevaluator.impl.function.dataaccess; |
|
25 |
|
|
26 |
import java.util.function.Predicate; |
|
27 |
import org.apache.commons.lang3.Range; |
|
28 |
import org.gvsig.expressionevaluator.Code; |
|
29 |
import org.gvsig.expressionevaluator.Codes; |
|
30 |
import org.gvsig.expressionevaluator.ExpressionRuntimeException; |
|
31 |
import org.gvsig.expressionevaluator.Interpreter; |
|
32 |
import org.gvsig.expressionevaluator.impl.DALFunctions; |
|
33 |
import static org.gvsig.fmap.dal.DataManager.FUNCTION_SELECT_COUNT_FROM_SELECTION; |
|
34 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
|
35 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
|
36 |
import org.gvsig.fmap.dal.impl.expressionevaluator.DefaultFeatureExpressionEvaluator; |
|
37 |
import org.gvsig.tools.evaluator.EvaluatorData; |
|
38 |
import org.gvsig.tools.evaluator.EvaluatorException; |
|
39 |
import org.gvsig.tools.util.ContainerUtils; |
|
40 |
import org.gvsig.tools.util.FilteredIterator; |
|
41 |
|
|
42 |
/** |
|
43 |
* |
|
44 |
* @author jjdelcerro |
|
45 |
*/ |
|
46 |
@SuppressWarnings("UseSpecificCatch") |
|
47 |
public class SelectCountFromSelectionFunction extends AbstractSelectFunction { |
|
48 |
|
|
49 |
public SelectCountFromSelectionFunction() { |
|
50 |
super(DALFunctions.GROUP_DATA_ACCESS, |
|
51 |
FUNCTION_SELECT_COUNT_FROM_SELECTION, |
|
52 |
Range.is(3), |
|
53 |
"Returns the number of features of the table by applying the filter indicated.\n" |
|
54 |
+ "The syntax is:\n\n" |
|
55 |
+ "SELECT COUNT(*) FROM SELECTION [IF NOT EMPTY] OF table WHERE boolean_expression;\n\n" |
|
56 |
+ "Indicate a filter expression with WHERE is optional.\n" |
|
57 |
+ "The SELECT statement must always end with a semicolon.", |
|
58 |
"SELECT COUNT(*) FROM {{table}} WHERE filter ;", |
|
59 |
new String[]{ |
|
60 |
"table - Name of the table", |
|
61 |
"filter - boolean expression with the filter to apply",}, |
|
62 |
"Long", |
|
63 |
false |
|
64 |
); |
|
65 |
} |
|
66 |
|
|
67 |
@Override |
|
68 |
public boolean isHidden() { |
|
69 |
return false; |
|
70 |
} |
|
71 |
|
|
72 |
@Override |
|
73 |
public boolean allowConstantFolding() { |
|
74 |
return false; |
|
75 |
} |
|
76 |
|
|
77 |
@Override |
|
78 |
public boolean useArgumentsInsteadObjects() { |
|
79 |
return true; |
|
80 |
} |
|
81 |
|
|
82 |
@Override |
|
83 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
|
84 |
throw new UnsupportedOperationException(); |
|
85 |
} |
|
86 |
|
|
87 |
private static final int TABLE = 0; |
|
88 |
private static final int WHERE = 1; |
|
89 |
private static final int SELECCTION_IF_NOT_EMPTY = 2; |
|
90 |
|
|
91 |
@Override |
|
92 |
public Object call(Interpreter interpreter, Codes args) throws Exception { |
|
93 |
|
|
94 |
String storeName = this.getTableName(args, TABLE); |
|
95 |
Code where = this.getWhereCode(args, WHERE); |
|
96 |
Object selection_if_not_empty = getObject(interpreter, args, SELECCTION_IF_NOT_EMPTY); |
|
97 |
|
|
98 |
FeatureStore featureStore; |
|
99 |
try { |
|
100 |
featureStore = this.getFeatureStore(storeName); |
|
101 |
if (featureStore == null) { |
|
102 |
throw new ExpressionRuntimeException("Cant locate the feature store '" + storeName + "' in function '" + this.name() + "'."); |
|
103 |
} |
|
104 |
Iterable features = featureStore.getFeatureSelection(); |
|
105 |
if( ((FeatureSet)features).isEmpty() ) { |
|
106 |
if( selection_if_not_empty != null ) { |
|
107 |
features = featureStore.getFeatureSet(); |
|
108 |
// En este caso habria que optimizar el where, pero de |
|
109 |
// momento asi va, aunque lento. |
|
110 |
} |
|
111 |
} |
|
112 |
if (where != null) { |
|
113 |
final Iterable baseSelection = features; |
|
114 |
final DefaultFeatureExpressionEvaluator evaluator = new DefaultFeatureExpressionEvaluator(where.toString()); |
|
115 |
evaluator.toSymbolTable().addSymbolTable(interpreter.getSymbolTable()); |
|
116 |
final Predicate filter = (Predicate) (Object t) -> { |
|
117 |
try { |
|
118 |
return (boolean) evaluator.evaluate((EvaluatorData) t); |
|
119 |
} catch (EvaluatorException ex1) { |
|
120 |
throw new ExpressionRuntimeException("Can't evaluate expression for row.", ex1); |
|
121 |
} |
|
122 |
}; |
|
123 |
features = (Iterable) () -> new FilteredIterator(baseSelection.iterator(), filter); |
|
124 |
} |
|
125 |
return ContainerUtils.size64(features); |
|
126 |
|
|
127 |
} catch (ExpressionRuntimeException ex) { |
|
128 |
throw ex; |
|
129 |
} catch (Exception ex) { |
|
130 |
throw new ExpressionRuntimeException("Problems calling '" + this.name() + "' function", ex); |
|
131 |
} |
|
132 |
} |
|
133 |
|
|
134 |
} |
trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/expressionevaluator/impl/function/dataaccess/SelectFromSelectionFunction.java | ||
---|---|---|
1 |
/** |
|
2 |
* gvSIG. Desktop Geographic Information System. |
|
3 |
* |
|
4 |
* Copyright (C) 2007-2020 gvSIG Association. |
|
5 |
* |
|
6 |
* This program is free software; you can redistribute it and/or |
|
7 |
* modify it under the terms of the GNU General Public License |
|
8 |
* as published by the Free Software Foundation; either version 3 |
|
9 |
* of the License, or (at your option) any later version. |
|
10 |
* |
|
11 |
* This program is distributed in the hope that it will be useful, |
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
14 |
* GNU General Public License for more details. |
|
15 |
* |
|
16 |
* You should have received a copy of the GNU General Public License |
|
17 |
* along with this program; if not, write to the Free Software |
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
19 |
* MA 02110-1301, USA. |
|
20 |
* |
|
21 |
* For any additional information, do not hesitate to contact us |
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com. |
|
23 |
*/ |
|
24 |
package org.gvsig.expressionevaluator.impl.function.dataaccess; |
|
25 |
|
|
26 |
import java.util.function.Predicate; |
|
27 |
import org.apache.commons.lang3.Range; |
|
28 |
import org.gvsig.expressionevaluator.Code; |
|
29 |
import org.gvsig.expressionevaluator.Codes; |
|
30 |
import org.gvsig.expressionevaluator.ExpressionRuntimeException; |
|
31 |
import org.gvsig.expressionevaluator.Interpreter; |
|
32 |
import org.gvsig.expressionevaluator.Optimizer; |
|
33 |
import org.gvsig.expressionevaluator.impl.DALFunctions; |
|
34 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
|
35 |
import org.gvsig.fmap.dal.impl.expressionevaluator.DefaultFeatureExpressionEvaluator; |
|
36 |
import org.gvsig.expressionevaluator.Code.Callable; |
|
37 |
import static org.gvsig.fmap.dal.DataManager.FUNCTION_SELECT_FROM_SELECTION; |
|
38 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
|
39 |
import org.gvsig.tools.evaluator.EvaluatorData; |
|
40 |
import org.gvsig.tools.evaluator.EvaluatorException; |
|
41 |
import org.gvsig.tools.util.FilteredIterator; |
|
42 |
import org.gvsig.tools.util.LimitIterator; |
|
43 |
|
|
44 |
/** |
|
45 |
* |
|
46 |
* @author jjdelcerro |
|
47 |
*/ |
|
48 |
@SuppressWarnings("UseSpecificCatch") |
|
49 |
public class SelectFromSelectionFunction |
|
50 |
extends AbstractSelectFunction |
|
51 |
implements Optimizer.FunctionOptimizer { |
|
52 |
|
|
53 |
public SelectFromSelectionFunction() { |
|
54 |
super(DALFunctions.GROUP_DATA_ACCESS, |
|
55 |
FUNCTION_SELECT_FROM_SELECTION, |
|
56 |
Range.is(5), |
|
57 |
"Returns a list of features of the table by applying the filter, order and limit indicated.\n" |
|
58 |
+ "The syntax is:\n\n" |
|
59 |
+ "SELECT * FROM SELECTION [IF NOT EMPTY] OF table_name WHERE boolean_expression ;\n\n" |
|
60 |
+ "Indicate a filter expression with WHERE.\n" |
|
61 |
+ "You can use an asterisk or enter the column names you want to retrieve separated by commas.\n" |
|
62 |
+ "The SELECT statement must always end with a semicolon.", |
|
63 |
"SELECT * FROM SELECTION OF table_name WHERE boolean_expression ;", |
|
64 |
new String[]{ |
|
65 |
"column_names/asterisk - Names of the columns table to retrieve.", |
|
66 |
"table_name - Name of the table", |
|
67 |
"filter - Optional, boolean expression to apply as filter", |
|
68 |
}, |
|
69 |
"Iterable", |
|
70 |
false |
|
71 |
); |
|
72 |
} |
|
73 |
|
|
74 |
@Override |
|
75 |
public boolean isHidden() { |
|
76 |
return false; |
|
77 |
} |
|
78 |
|
|
79 |
@Override |
|
80 |
public boolean allowConstantFolding() { |
|
81 |
return false; |
|
82 |
} |
|
83 |
|
|
84 |
@Override |
|
85 |
public boolean useArgumentsInsteadObjects() { |
|
86 |
return true; |
|
87 |
} |
|
88 |
|
|
89 |
@Override |
|
90 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
|
91 |
throw new UnsupportedOperationException(); |
|
92 |
} |
|
93 |
|
|
94 |
private static final int COLUMNS = 0; |
|
95 |
private static final int TABLE = 1; |
|
96 |
private static final int WHERE = 2; |
|
97 |
private static final int LIMIT = 3; |
|
98 |
private static final int SELECCTION_IF_NOT_EMPTY = 4; |
|
99 |
|
|
100 |
@Override |
|
101 |
public Object call(Interpreter interpreter, Codes args) throws Exception { |
|
102 |
|
|
103 |
Code columns = getTupleOrNull(args, COLUMNS); |
|
104 |
String storeName = this.getTableName(args, TABLE); |
|
105 |
Code where = this.getWhereCode(args, WHERE); |
|
106 |
Number limit = (Number) getObject(interpreter, args, LIMIT); |
|
107 |
Object selection_if_not_empty = getObject(interpreter, args, SELECCTION_IF_NOT_EMPTY); |
|
108 |
|
|
109 |
|
|
110 |
FeatureStore featureStore; |
|
111 |
try { |
|
112 |
featureStore = this.getFeatureStore(storeName); |
|
113 |
if (featureStore == null) { |
|
114 |
throw new ExpressionRuntimeException("Cant locate the feature store '" + storeName + "' in function '" + this.name() + "'."); |
|
115 |
} |
|
116 |
Iterable features = featureStore.getFeatureSelection(); |
|
117 |
if( ((FeatureSet)features).isEmpty() ) { |
|
118 |
if( selection_if_not_empty != null ) { |
|
119 |
features = featureStore.getFeatureSet(); |
|
120 |
// En este caso habria que optimizar el where, pero de |
|
121 |
// momento asi va, aunque lento. |
|
122 |
} |
|
123 |
} |
|
124 |
if (where != null) { |
|
125 |
final Iterable baseSelection = features; |
|
126 |
final DefaultFeatureExpressionEvaluator evaluator = new DefaultFeatureExpressionEvaluator(where.toString()); |
|
127 |
evaluator.toSymbolTable().addSymbolTable(interpreter.getSymbolTable()); |
|
128 |
final Predicate filter = (Predicate) (Object t) -> { |
|
129 |
try { |
|
130 |
return (boolean) evaluator.evaluate((EvaluatorData) t); |
|
131 |
} catch (EvaluatorException ex1) { |
|
132 |
throw new ExpressionRuntimeException("Can't evaluate expression for row.", ex1); |
|
133 |
} |
|
134 |
}; |
|
135 |
features = (Iterable) () -> new FilteredIterator(baseSelection.iterator(), filter); |
|
136 |
} |
|
137 |
if( limit!=null ) { |
|
138 |
final Iterable baseSelection = features; |
|
139 |
features = (Iterable) () -> new LimitIterator(baseSelection.iterator(), limit.longValue()); |
|
140 |
} |
|
141 |
return features; |
|
142 |
|
|
143 |
} catch (ExpressionRuntimeException ex) { |
|
144 |
throw ex; |
|
145 |
} catch (Exception ex) { |
|
146 |
throw new ExpressionRuntimeException("Problems calling '" + this.name() + "' function", ex); |
|
147 |
} |
|
148 |
} |
|
149 |
|
|
150 |
@Override |
|
151 |
public Code optimize(Optimizer optimizer, Callable caller) { |
|
152 |
return caller; // Don't optimize SELECT |
|
153 |
} |
|
154 |
|
|
155 |
} |
trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/expressionevaluator/impl/grammars/DataAccessGrammarFactory.java | ||
---|---|---|
46 | 46 |
import org.gvsig.fmap.dal.DataManager; |
47 | 47 |
import static org.gvsig.fmap.dal.DataManager.FUNCTION_CREATE_TABLE; |
48 | 48 |
import static org.gvsig.fmap.dal.DataManager.FUNCTION_CREATE_TABLE_STRUCTURE; |
49 |
import static org.gvsig.fmap.dal.DataManager.FUNCTION_SELECT_COUNT_FROM_SELECTION; |
|
50 |
import static org.gvsig.fmap.dal.DataManager.FUNCTION_SELECT_FROM_SELECTION; |
|
49 | 51 |
|
50 | 52 |
/** |
51 | 53 |
* |
... | ... | |
238 | 240 |
theGrammar.addStatement(createSelectCountStatement(theGrammar)); |
239 | 241 |
theGrammar.addStatement(createSelectStatement(theGrammar)); |
240 | 242 |
// theGrammar.addStatement(createUpdateStatement(theGrammar)); |
243 |
theGrammar.addStatement(createSelectCountFromSelectionStatement(theGrammar)); |
|
244 |
theGrammar.addStatement(createSelectFromSelectionStatement(theGrammar)); |
|
241 | 245 |
|
242 | 246 |
this.grammar = theGrammar; |
243 | 247 |
} |
... | ... | |
368 | 372 |
return stmt; |
369 | 373 |
} |
370 | 374 |
|
375 |
private Statement createSelectFromSelectionStatement(Grammar theGrammar) { |
|
376 |
Statement stmt; |
|
377 |
// |
|
378 |
// SELECT * | (column1, column2,...) |
|
379 |
// FROM SELECTION OF table_name |
|
380 |
// WHERE expression |
|
381 |
// |
|
382 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
|
383 |
CodeBuilder codeBuilder = manager.createCodeBuilder(); |
|
371 | 384 |
|
385 |
stmt = theGrammar.createStatement("SELECTFROMSELECTION"); |
|
386 |
stmt.addRule(stmt.require_any_token("SELECT")); |
|
387 |
stmt.addRule(stmt.optional_any_token("*") |
|
388 |
.addRuleOnTrue(stmt.set_expression("COLUMNS", codeBuilder.tuple())) |
|
389 |
.addRuleOnFalse(stmt.require_identifiers(",").capture_as("COLUMNS")) |
|
390 |
); |
|
391 |
stmt.addRule(stmt.require_any_token("FROM")); |
|
392 |
stmt.addRule(stmt.require_any_token("SELECTION")); |
|
393 |
stmt.addRule(stmt.optional_any_token("IF") |
|
394 |
.addRuleOnTrue(stmt.require_tokens("NOT", "EMPTY").capture_as("IF_NOT_EMPTY")) |
|
395 |
); |
|
396 |
stmt.addRule(stmt.optional_any_token("OF")); |
|
397 |
stmt.addRule(stmt.require_expression().capture_as("TABLE")); |
|
398 |
stmt.addRule(stmt.optional_any_token("WHERE") |
|
399 |
.addRuleOnTrue(stmt.require_expression().capture_as("WHERE")) |
|
400 |
); |
|
401 |
stmt.addRule(stmt.optional_any_token("LIMIT") |
|
402 |
.addRuleOnTrue(stmt.require_expression().capture_as("LIMIT")) |
|
403 |
); |
|
404 |
stmt.addRule(stmt.optional_any_token(";")); |
|
405 |
stmt.code( |
|
406 |
FUNCTION_SELECT_FROM_SELECTION, |
|
407 |
stmt.args_names("COLUMNS", "TABLE", "WHERE", "LIMIT","IF_NOT_EMPTY") |
|
408 |
); |
|
409 |
|
|
410 |
return stmt; |
|
411 |
} |
|
412 |
|
|
372 | 413 |
private Statement createInsertIntoTableSelectStatement(Grammar theGrammar) { |
373 | 414 |
Statement stmt; |
374 | 415 |
// |
... | ... | |
461 | 502 |
return stmt; |
462 | 503 |
} |
463 | 504 |
|
505 |
private Statement createSelectCountFromSelectionStatement(Grammar theGrammar) { |
|
506 |
Statement stmt; |
|
507 |
// |
|
508 |
// SELECT COUNT(*) FROM SELECTION IF NOT IS EMPTY OF table_name WHERE expression |
|
509 |
// |
|
510 |
stmt = theGrammar.createStatement("SELECT_COUNT_FROM_SELECTION"); |
|
511 |
stmt.addRule(stmt.require_any_token("SELECT")); |
|
512 |
stmt.addRule(stmt.require_any_token("COUNT")); |
|
513 |
stmt.addRule(stmt.require_any_token("(")); |
|
514 |
stmt.addRule(stmt.require_any_token("*")); |
|
515 |
stmt.addRule(stmt.require_any_token(")")); |
|
516 |
stmt.addRule(stmt.require_any_token("FROM")); |
|
517 |
stmt.addRule(stmt.require_any_token("SELECTION")); |
|
518 |
stmt.addRule(stmt.optional_any_token("IF") |
|
519 |
.addRuleOnTrue(stmt.require_tokens("NOT", "EMPTY").capture_as("IF_NOT_EMPTY")) |
|
520 |
); |
|
521 |
stmt.addRule(stmt.require_any_token("OF")); |
|
522 |
stmt.addRule(stmt.require_expression().capture_as("TABLE")); |
|
523 |
stmt.addRule(stmt.optional_any_token("WHERE") |
|
524 |
.addRuleOnTrue(stmt.require_expression().capture_as("WHERE")) |
|
525 |
); |
|
526 |
stmt.addRule(stmt.require_any_token(";")); |
|
527 |
stmt.code( |
|
528 |
FUNCTION_SELECT_COUNT_FROM_SELECTION, |
|
529 |
stmt.args_names("TABLE", "WHERE", "IF_NOT_EMPTY") |
|
530 |
); |
|
531 |
return stmt; |
|
532 |
} |
|
533 |
|
|
464 | 534 |
private Statement createCreateTableStatement(Grammar theGrammar) { |
465 | 535 |
Statement stmt; |
466 | 536 |
// |
Also available in: Unified diff