Examples with IndexDefinition org.apache.ignite.schema.definition.index.IndexDefinition used on opensource projects

Example 1 with IndexDefinition

use of org.apache.ignite.schema.definition.index.IndexDefinition in project ignite-3 by apache.

the class SchemaConfigurationConverter method convert.

/**
 * Convert table configuration view to table schema.
 *
 * @param tblView TableView to convert.
 * @return Table schema.
 */
public static TableDefinitionImpl convert(TableView tblView) {
    String canonicalName = tblView.name();
    int sepPos = canonicalName.indexOf('.');
    String schemaName = canonicalName.substring(0, sepPos);
    String tableName = canonicalName.substring(sepPos + 1);
    NamedListView<? extends ColumnView> colsView = tblView.columns();
    var columns = new LinkedHashMap<String, ColumnDefinition>(capacity(colsView.size()));
    for (String key : colsView.namedListKeys()) {
        ColumnView colView = colsView.get(key);
        if (colView != null) {
            ColumnDefinition definition = convert(colView);
            columns.put(definition.name(), definition);
        }
    }
    NamedListView<? extends TableIndexView> idxsView = tblView.indices();
    var indices = new HashMap<String, IndexDefinition>(capacity(idxsView.size()));
    for (String key : idxsView.namedListKeys()) {
        IndexDefinition definition = convert(idxsView.get(key));
        indices.put(definition.name(), definition);
    }
    PrimaryKeyDefinition primaryKey = convert(tblView.primaryKey());
    return new TableDefinitionImpl(schemaName, tableName, columns, primaryKey, indices);
}

Example 2 with IndexDefinition

use of org.apache.ignite.schema.definition.index.IndexDefinition in project ignite-3 by apache.

the class SchemaConfigurationConverter method convert.

/**
 * Convert table schema to table changer.
 *
 * @param tbl    Table schema to convert.
 * @param tblChg Change to fulfill.
 * @return TableChange to get result from.
 */
public static TableChange convert(TableDefinition tbl, TableChange tblChg) {
    tblChg.changeName(tbl.canonicalName());
    tblChg.changeIndices(idxsChg -> {
        for (IndexDefinition idx : tbl.indices()) {
            idxsChg.create(idx.name(), idxInit -> convert(idx, idxInit));
        }
    });
    tblChg.changeColumns(colsChg -> {
        for (ColumnDefinition col : tbl.columns()) {
            colsChg.create(col.name(), colChg -> convert(col, colChg));
        }
    });
    tblChg.changePrimaryKey(pkCng -> {
        pkCng.changeColumns(tbl.keyColumns().toArray(String[]::new)).changeColocationColumns(tbl.colocationColumns().toArray(String[]::new));
    });
    return tblChg;
}

Example 3 with IndexDefinition

use of org.apache.ignite.schema.definition.index.IndexDefinition in project ignite-3 by apache.

the class ItTablesApiTest method addIndex.

/**
 * Adds a column.
 *
 * @param node           Cluster node.
 * @param schemaName     Schema name.
 * @param shortTableName Table name.
 */
protected void addIndex(Ignite node, String schemaName, String shortTableName) {
    IndexDefinition idx = SchemaBuilders.hashIndex("testHI").withColumns("valInt", "valStr").build();
    node.tables().alterTable(schemaName + "." + shortTableName, chng -> chng.changeIndices(idxes -> {
        if (idxes.get(idx.name()) != null) {
            log.info("Index already exists [naem={}]", idx.name());
            throw new IndexAlreadyExistsException(idx.name());
        }
        idxes.create(idx.name(), tableIndexChange -> convert(idx, tableIndexChange));
    }));
}

Example 4 with IndexDefinition

use of org.apache.ignite.schema.definition.index.IndexDefinition in project ignite-3 by apache.

the class ItTablesApiTest method addIndexIfNotExists.

/**
 * Creates a table if it does not exist.
 *
 * @param node           Cluster node.
 * @param schemaName     Schema name.
 * @param shortTableName Table name.
 */
protected void addIndexIfNotExists(Ignite node, String schemaName, String shortTableName) {
    IndexDefinition idx = SchemaBuilders.hashIndex("testHI").withColumns("valInt", "valStr").build();
    node.tables().alterTable(schemaName + "." + shortTableName, chng -> chng.changeIndices(idxes -> {
        if (idxes.get(idx.name()) == null) {
            idxes.create(idx.name(), tableIndexChange -> convert(idx, tableIndexChange));
        } else {
            log.info("Index already exists [naem={}]", idx.name());
        }
    }));
}