Examples with OCommandRequestText com.orientechnologies.orient.core.command.OCommandRequestText used on opensource projects

Example 31 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLDropIndex method parse.

public OCommandExecutorSQLDropIndex parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        queryText = preParse(queryText, iRequest);
        textRequest.setText(queryText);
        init((OCommandRequestText) iRequest);
        final StringBuilder word = new StringBuilder();
        int oldPos = 0;
        int pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_DROP))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_DROP + " not found. Use " + getSyntax(), parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserTextUpperCase, pos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_INDEX))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_INDEX + " not found. Use " + getSyntax(), parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserTextUpperCase, oldPos, word, false);
        if (pos == -1)
            throw new OCommandSQLParsingException("Expected index name. Use " + getSyntax(), parserText, oldPos);
        name = word.toString();
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}

Example 32 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLDropProperty method parse.

public OCommandExecutorSQLDropProperty parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        queryText = preParse(queryText, iRequest);
        textRequest.setText(queryText);
        init((OCommandRequestText) iRequest);
        final StringBuilder word = new StringBuilder();
        int oldPos = 0;
        int pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_DROP))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_DROP + " not found. Use " + getSyntax(), parserText, oldPos);
        pos = nextWord(parserText, parserTextUpperCase, pos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_PROPERTY))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_PROPERTY + " not found. Use " + getSyntax(), parserText, oldPos);
        pos = nextWord(parserText, parserTextUpperCase, pos, word, false);
        if (pos == -1)
            throw new OCommandSQLParsingException("Expected <class>.<property>. Use " + getSyntax(), parserText, pos);
        String[] parts = word.toString().split("\\.");
        if (parts.length != 2)
            throw new OCommandSQLParsingException("Expected <class>.<property>. Use " + getSyntax(), parserText, pos);
        className = decodeClassName(parts[0]);
        if (className == null)
            throw new OCommandSQLParsingException("Class not found", parserText, pos);
        fieldName = decodeClassName(parts[1]);
        pos = nextWord(parserText, parserTextUpperCase, pos, word, false);
        if (pos != -1) {
            final String forceParameter = word.toString();
            if ("FORCE".equals(forceParameter)) {
                force = true;
            } else if ("IF".equals(word.toString())) {
                pos = nextWord(parserText, parserTextUpperCase, pos, word, false);
                if ("EXISTS".equals(word.toString())) {
                    this.ifExists = true;
                } else {
                    throw new OCommandSQLParsingException("Wrong query parameter, expecting EXISTS after IF", parserText, pos);
                }
            } else {
                throw new OCommandSQLParsingException("Wrong query parameter", parserText, pos);
            }
        }
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}

Example 33 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLDropSequence method parse.

@Override
public OCommandExecutorSQLDropSequence parse(OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        queryText = preParse(queryText, iRequest);
        textRequest.setText(queryText);
        init((OCommandRequestText) iRequest);
        final ODatabaseDocumentInternal database = getDatabase();
        final StringBuilder word = new StringBuilder();
        parserRequiredKeyword("DROP");
        parserRequiredKeyword("SEQUENCE");
        this.sequenceName = parserRequiredWord(false, "Expected <sequence name>");
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}

Example 34 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLTruncateClass method parse.

@SuppressWarnings("unchecked")
public OCommandExecutorSQLTruncateClass parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        queryText = preParse(queryText, iRequest);
        textRequest.setText(queryText);
        final ODatabaseDocument database = getDatabase();
        init((OCommandRequestText) iRequest);
        StringBuilder word = new StringBuilder();
        int oldPos = 0;
        int pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_TRUNCATE))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_TRUNCATE + " not found. Use " + getSyntax(), parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_CLASS))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_CLASS + " not found. Use " + getSyntax(), parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserText, oldPos, word, true);
        if (pos == -1)
            throw new OCommandSQLParsingException("Expected class name. Use " + getSyntax(), parserText, oldPos);
        final String className = word.toString();
        schemaClass = database.getMetadata().getSchema().getClass(className);
        if (schemaClass == null)
            throw new OCommandSQLParsingException("Class '" + className + "' not found", parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserText, oldPos, word, true);
        while (pos > 0) {
            String nextWord = word.toString();
            if (nextWord.toUpperCase().equals(KEYWORD_UNSAFE)) {
                unsafe = true;
            } else if (nextWord.toUpperCase().equals(KEYWORD_POLYMORPHIC)) {
                deep = true;
            }
            oldPos = pos;
            pos = nextWord(parserText, parserText, oldPos, word, true);
        }
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}

Example 35 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLTruncateCluster method parse.

@SuppressWarnings("unchecked")
public OCommandExecutorSQLTruncateCluster parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        queryText = preParse(queryText, iRequest);
        textRequest.setText(queryText);
        init((OCommandRequestText) iRequest);
        StringBuilder word = new StringBuilder();
        int oldPos = 0;
        int pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_TRUNCATE))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_TRUNCATE + " not found. Use " + getSyntax(), parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_CLUSTER))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_CLUSTER + " not found. Use " + getSyntax(), parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserText, oldPos, word, true);
        if (pos == -1)
            throw new OCommandSQLParsingException("Expected cluster name. Use " + getSyntax(), parserText, oldPos);
        clusterName = decodeClusterName(word.toString());
        if (preParsedStatement != null) {
            // new parser, this will be removed and implemented with the new executor
            OIdentifier name = ((OTruncateClusterStatement) preParsedStatement).clusterName;
            if (name != null) {
                clusterName = name.getStringValue();
            }
        }
        final ODatabaseDocument database = getDatabase();
        if (database.getClusterIdByName(clusterName) == -1)
            throw new OCommandSQLParsingException("Cluster '" + clusterName + "' not found", parserText, oldPos);
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}